ages of stars

 

 

 STARS—THEIR AGES, LIFESPANS, TIMES TILL 

                 THEIR DEATHS, AND MORE

                      JOHN HEBERT 3/22/18

                          Brown dwarf star

Stars name— upsilon andromedae d (majriti)

Right ascension— 01 hours 36 minutes 48 seconds

declination— 41 degrees 24 minutes 20 seconds

Stellar class— orbiting F8(5) star

constellation— Andromeda

Apparent magnitude— approximately 4.68

Absolute magnitude— approximately 4.03

distance— 43.9 light years

mass— 10.25 jupiters

radius— 1.02 jupiters

luminosity— approximately 2.08 suns

Semimajor axis— 2.53 AU

eccentricity— .299

inclination— 23.8 degrees

Period of orbit— 1,276.46 days

Orbital distance— 2.3 AU (214.17 million miles)

Surface temperature—less than 1,000 degrees kelvin

Velocity of motion— no information found

Movement in arcseconds/year— no information found

Direction on the unit circle— no information found

parallax—74.26 milliarcseconds

Size in arcseconds— .003734 arc seconds

Gravitational acceleration— 108.14 miles/second^2

Escape velocity— 118.1 miles/second

age— less than 3 billion 120 million years

lifspan– 3.55 x 10 to the 17 power years

Main sequence (prime of its life) lifespan— never made it to the main sequence

Time left as a main sequence star—n/a

When will this star die?— 3.55 x 10 to the 17 years

Fate of the star— black dwarf (?)

                        VERY YOUNG STARS

Stars name— stars in the orion nebula trapezium

Stellar class— O main sequence stars

color— blue

constellation— orion

Apparent magnitude— 2.57/-.6141

Absolute magnitude— -5.51/-8.09

distance— 1,344 light years

mass— 15/30 suns

radius— 4.42/9.98 suns

luminosity— 13,701/147,885 suns

Surface temperature— 30,251/36,500 degrees kelvin

Velocity of motion— no information found

Movement in arcseconds/year— no information found

Direction on the unit circle— no information found

parallax—2.426 milliarcseconds

Size in arcseconds— .0107/.02421 arc seconds

Gravitational acceleration—  23.55/5.07% of a mile/second^2

Escape velocity—499.38/470 miles/second

age— 300,000 years old

lifespan—11 million 476 thousand/2 million 29 thousand years

Main sequence (prime of its life) lifespan— 10 million 328 thousand/1 million 826 thousand years

Time left as a main sequence star—10 million 28 thousand/729 thousand years

When will this star die?— 11 million 176 thousand/1 million 729 thousand years

Fate of the star— supernovas, neutron star/black hole

                            Main sequence stars

Stars name— tu muscae

Stellar class— O7(5)+O8(5)

Color — blue

constellation— musca

Right ascension— 11 hours 31 minutes 10.92470 seconds

declination— -65 degrees 44 minutes 32.1019 seconds

Apparent magnitude— 8.37

Absolute magnitude— -4.81

distance—163 light years

mass— 16.8/10.5 suns

radius— 7.2/7.7 suns

luminosity— 105,000/35,000 suns

Surface temperature— 35,000/31,366 degrees kelvin

Velocity of motion— 2.48 miles/second approach

Movement in arcseconds/year— .00121 seconds/year

Direction on the unit circle— 258.49 degrees 

parallax—.02 milliarcseconds

Size— .3726/.398 arcseconds

Gravity— 5.545%/2.98% of a miles/second^2

Escape velocity— 414.08/316.55 miles/second

age— less than 7 million 780 thousand/less than 25 million 123 thousand years

lifespan— 8 million 644 thousand/27 million 992 thousand years

Main sequence (prime of its life) lifespan—  7 million 780 thousand/25 million 123 thousand years

Time left on main sequence— less than 7 million 780 thousand/less than 25 million 780 thousand years

When will this star die?— greater than 864 thousand/greater than 2 million 799 thousand years

Fate of the star— supernovas, neutron stars

Stars name— zeta ophiuci

Stellar class— O9.5(5)

Color– blue

constellation— ophiucus

Right ascension— 16 hours 37 minutes 09.53905 seconds

declination— -10 degrees 34 minutes 01.5295 seconds

Apparent magnitude— 2.569

Absolute magnitude— -4.2

distance—366 light years

mass— 20 suns

radius— 8.5 suns

luminosity— 91,000 suns

Surface temperature— 34,000 degrees kelvin

Rotation velocity— 248 miles/second

Velocity of motion— 9.3 miles/second approach

Movement in arcseconds/year— .0291 seconds/year

Direction on the unit circle— 64.87 degrees 

parallax—8.91 milliarcseconds

Size— .0757 arcseconds

Gravity— 5.545%/2.98% of a miles/second^2

Escape velocity— 414.08/316.55 miles/second

age— 3 million old

lifespan— 55 million 902 thousand years

Main sequence (prime of its life) lifespan— 50 million 312 thousand years

Time left as a main sequence star— 47 million 312 thousand years

When will this star die?— 52 million 902 thousand years

Fate of the star— supernova, neutron star

Stars name— sigma orionis

Stellar class— O9.5(5)

Color– blue

constellation— orion

Right ascension— 05 hours 38 minutes 42 seconds

declination— -02 degrees 36 minutes 00 seconds

Apparent magnitude— 4.07

Absolute magnitude— -3.49

distance—387.51 light years

mass— 18 suns

radius— 5.6 suns

luminosity— 41,700 suns

Surface temperature— 35,000 degrees kelvin

Velocity of motion— 18.259 miles/second approach

Movement in arcseconds/year— no information found

Direction on the unit circle— no information found

parallax—3.04 milliarcseconds

Size— .04711 arcseconds

Gravity— 9.66% of a mile/second^2

Escape velocity— 486.01 miles/second

age— less than 6 million 547 thousand old

lifespan— 3 million years

Main sequence (prime of its life) lifespan— 6 million 547 thousand years

Time left as a main sequence star— 3 million 547 thousand years

When will this star die?— 4 million 275 thousand years

Fate of the star— supernova, neutron star

Stars name— mu columbae

Stellar class— O7.5(5)

Color– blue

constellation— colombae

Right ascension— 05 hours 45 minutes 59.89496 seconds

declination— -32 degrees 18 minutes 23.1630 seconds

Apparent magnitude— 5.18

Absolute magnitude— -3.64

distance—1,300 light years

mass— 16 suns

radius— 6.58 suns

luminosity— 45,700 suns

Surface temperature— 33,000 degrees kelvin

Velocity of motion— 67.58 miles/second recession

Movement in arcseconds/year— .02224 acrseconds/year

Direction on the unit circle— 359.98 degrees

parallax—2.51 milliarcseconds

Size— .0165 arcseconds

Gravity— 5.33% of a mile/second^2

Escape velocity— 422.71 miles/second

age— 2-4 million years old

lifespan— 9 million 766 thousand years

Main sequence (prime of its life) lifespan— 8 million 789 thousand years

Time left as a main sequence star— 4 million 789 thousand-6 million 789 thousand years

When will this star die?— 5 million 766 thousand-7 million 766 thousand years

Fate of the star— supernova, neutron star

Was located in the orion nebula’s tapezium 2 million 500 thousand years ago.

Stars name— acrab  beta scorpi

Stellar class— B1(5)

color— blue

constellation— scorpius

Apparent magnitude— 2.62

Absolute magnitude— -3.92

distance— 400 light years

mass— 15 suns

radius— 6.3 suns

luminosity— 31,600 suns

Surface temperature— 28,000 degrees kelvin

Velocity of motion— .63 miles/second approach

Movement in arcseconds/year— .024596 seconds/year

Direction on the unit circle— 186.56 degrees

parallax—8.07 milliarcseconds

Size in arcseconds— .0508

Gravitational acceleration—  6.36% of a mile/second^2

Escape velocity— 435.78 miles/second

age— 9-12 million years old (closer to 6 million years old)

lifespan— 11 million 476 thousand years

Main sequence (prime of its life) lifespan— 10 million 328 thousand years

Time left as a main sequence star— 4 million 328 thousand years

When will this star die?— 7 million 476 thousand  years

Fate of the star— supernova, neutron star

Stars name— alpha crucis

Stellar class— B1(5)

color— blue

constellation— crux

Apparent magnitude— 1.75

Absolute magnitude— -2.7

distance— 320 light years

mass— 15.52 suns

radius— 1.41 suns

luminosity— 1,028.37 suns

Surface temperature— 28,000 degrees kelvin

Velocity of motion— 6.944 miles/second approach

Movement in arcseconds/year— .03879 seconds/year

Direction on the unit circle— 244.97 degrees

parallax—10.1 milliarcseconds

Size in arcseconds— .01424

Gravitational acceleration—  1.314 miles/second^2

Escape velocity— 899.36 miles/second

age— 10 million 800 thousand years old

lifespan— 10 million 538 thousand years

Main sequence (prime of its life) lifespan— 9 million 485 thousand years

Time left as a main sequence star—should still be on main sequence, but age of star is more than the main sequence lifetime

When will this star die?— greater than 1 million 54 thousand years

Fate of the star— supernova, neutron star

Stars name— nunki  sigma sagittarius

Stellar class— B2.5(5)

color— blue

constellation— sagittarius

Apparent magnitude— 2.05

Absolute magnitude— -2.17

distance— 228 light years

mass— 7.8 suns

radius— 4.5 suns

luminosity— 3,300 suns

Surface temperature— 18,890 degrees kelvin

Velocity of motion— 6.944 miles/second approach

Movement in arcseconds/year— .05344 seconds/year

Direction on the unit circle— 277.58 degrees

parallax—14.32 milliarcseconds

Size in arcseconds— .0644

Gravitational acceleration—  6.48% of a mile/second^2

Escape velocity— 356.89 miles/second

age— 31-31.8 million years old

lifespan—58 million 852 thousand years

Main sequence (prime of its life) lifespan— greater than 52 million 967 thousand years

Time left as a main sequence star—less than 21 million 167 thousand-21 million 967 million years

When will this star die?— more than 27 million 52-27 million 852 thousand years

Fate of the star— planetary nebula, white dwarf

Stars name— furud zeta canis majoris

Stellar class— B2.5(5)

color— blue

constellation— canis major

Apparent magnitude— 3.025

Absolute magnitude— -2.21

distance— 362 light years

mass— 7.7 suns

radius— 3.9 suns

luminosity— 3,603 suns

Surface temperature— 18,700 degrees kelvin

Velocity of motion— 1.984 miles/second recession

Movement in arcseconds/year— .00403 seconds/year

Direction on the unit circle— 32.04 degrees

parallax—9 milliarcseconds

Size in arcseconds— .0351

Gravitational acceleration—  8.52% of a mile/second^2

Escape velocity— 390.9 miles/second

age— 31.6-32.4 million years old

lifespan—60 million 782 thousand years

Main sequence (prime of its life) lifespan— 54 million 704 thousand years

Time left as a main sequence star— 22 million 300 thousand-23 million 100 thousand years

When will this star die?—  million 25 million 150 thousand-28 million 400 thousand years

Fate of the star—planetary nebula, white dwarf

Stars name—peacock alpha pavonis

Stellar class— B3(5)

color— blue

constellation— pavonis

Apparent magnitude— 1.94

Absolute magnitude— -1.762

distance— 179 light years

mass— 5.91 suns

radius— 4.33 suns

luminosity— 2,200 suns

Surface temperature— 17,700 degrees kelvin

Velocity of motion— 1.24 miles/second recession

Movement in arcseconds/year— .00719 seconds/year

Direction on the unit circle— 265.1 degrees

parallax—18.24 milliarcseconds

Size in arcseconds— .0881

Gravitational acceleration—  4.26% of a mile/second^2

Escape velocity— 299.86 miles/second

age— 48 million years old

lifespan—117 million 770 thousand years

Main sequence (prime of its life) lifespan— 106 million years

Time left as a main sequence star—47 million 990 thousand years

When will this star die?— 69 million 770 thousand years

Fate of the star— planetary nebula, white dwarf star

Peacock is a binary system and is likely a member of the tucana-horologium association of stars that are 45 million years old.

Stars name— sheliak beta lyrae  

Stellar class— B7(5)/B

Color — blue

constellation— lyra

Right ascension— 18 hours 50 minutes 04.79525 seconds

declination— 33 degrees 21 minutes 45.61 seconds

Apparent magnitude— 3.52 (3.25-4.36)

Absolute magnitude— -4.7

distance—960 light years

mass— 13.16/2.97 suns

radius— 6.0/15.2 suns

luminosity— 6,489/6,500 suns

Surface temperature— 26,300/13,300 degrees kelvin

Velocity of motion— 11.9 miles/second approach

Movement in arcseconds/year— .0019 seconds/year

Direction on the unit circle— 148.57 degrees 

parallax—3.39 milliarcseconds

Size— .02034/.05153 arcseconds

Gravity— 6.15% of a miles/second^2/11 feet 5.1 inches/second^2

Escape velocity— 401.47/119.83 miles/second

age— less than 14 million 325 thousand/23 million years

lifespan— 15 million 917 thousand/657 million 227 thousand years

Main sequence (prime of its life) lifespan— 14 million 325 thousand/592 million 40 thousand years

Time left on main sequence— less than 1 million 592 thousand/569 million 41 thousand years

When will this star die?— greater than 1 million 592 thousand/634 million 823 thousand years

Fate of the star— supernova, neutron star/planetary nebula, white dwarf

The fainter, less massive star in the system was once the more massive member of the pair, which caused it to evolve away from the main sequence first and become a giant star. Because the pair are in a close orbit, as this star expanded into a giant it filled its Roche lobe and transferred most of its mass over to its companion. The secondary, now more massive star is surrounded by an accretion disk from this mass transfer, with bipolar, jet-like features projecting perpendicular to the disk. This accretion disk blocks humans’ view of the secondary star, lowering its apparent luminosity and making it difficult for astronomers to pinpoint what its stellar type is. The amount of mass being transferred between the two stars is about 2 × 10−5 solar masses per year, or the equivalent of the Sun’s mass every 50,000 years, which results in an increase in orbital period of about 19 seconds each year. The spectrum of Beta Lyrae shows emission lines produced by the accretion disc. The disc produces around 20% of the brightness of the system. In addition to the spectroscopic pair, several other companions to Beta Lyrae have been catalogued. β Lyr B, at an angular distance of 45.7″ (14.655 million miles) and a period of 22.85 days, is of spectral type B7 V, has an apparent magnitude of +7.2, and can easily be seen with binoculars. It is about 80 times as luminous as the Sun and is also a spectroscopic binary with a period of 4.34 days. It has an absolute magnitude of -.11. β Lyr C is magnitude 9.9v, absolute magnitude of 2.59, separation 86″ (27.579 million miles) and orbital period of 58.98 days, and with a luminosity 7 times that of the Sun. The Washington Double Star Catalog lists three more faint companions at one to two arc minutes separation.

Stars name— algol beta persei

Stellar class— B8(5)

color— blue

constellation— perseus

Apparent magnitude— 2.12

Absolute magnitude— -.07

distance— 90 light years

mass— 3.17 suns

radius— 2.73 suns

luminosity— 182 suns

Surface temperature— 13,000 degrees kelvin

Velocity of motion— 3.7 miles/second

Movement in arcseconds/year— .00166 seconds/year

Direction on the unit circle— 327.74 degrees

parallax—37.27 milliarcseconds

Size in arcseconds— .099

Gravitational acceleration—  7.16% of a mile/second^2

Escape velocity— 304.33 miles/second

age— 570 million years old (should be less than 503 million years old.)

lifespan— 559 million years

Main sequence (prime of its life) lifespan—503 million years

Time left as a main sequence star—67 million years 

When will this star die?— 11 million years

Fate of the star— planetary nebula, white dwarf star

Stars name— vega alpha lyrae

Stellar class— A0(5)

color— blue white

constellation— lyra

Apparent magnitude— .026

Absolute magnitude— .582

distance— 25.04 light years

mass— 2.135 suns

radius— 2.362 suns

luminosity— 40.12 suns

Surface temperature— 9,602 degrees kelvin

Velocity of motion— 8.618 miles/second recession

Movement in arcseconds/year— .353 seconds/year

Direction on the unit circle— 54.13 degrees

parallax—130.23 milliarcseconds

Size in arcseconds— .3076

Gravitational acceleration—  6.44% of a mile/second^2

Escape velocity— 257.73 miles/second

age— 442-468 million years old

lifespan—1 billion 501 million years

Main sequence (prime of its life) lifespan— 1 billion 351 million years

Time left as a main sequence star— 883-909 million years

When will this star die?— 1 billion 33 million-1 billion 59 million years

Fate of the star— planetary nebula, white dwarf

Stars name— sirius alpha canis majoris

Stellar class— A0(5)

color— blue white

constellation— canis major

Apparent magnitude— -1.47

Absolute magnitude— 1.42

distance— 8.811 light years

mass— 2.063 suns

radius— 1.711 suns

luminosity— 25.4 suns

Surface temperature— 9,940 degrees kelvin

Velocity of motion— 3.41 miles/second approach

Movement in arcseconds/year— 1.394 seconds/year

Direction on the unit circle— 182.64 degrees

parallax—379.21 milliarcseconds

Size in arcseconds— .004512

Gravitational acceleration—  11.86% of a mile/second^2

Escape velocity— 297.66 miles/second

age— 237-247 million years old

lifespan—1 billion 636 million years

Main sequence (prime of its life) lifespan— 1 billion 472 million years

Time left as a main sequence star— 1 billion 225 million-1 billion 235 million years

When will this star die?— 1 billion 389 million-1 billion 399 million years

Fate of the star— planetary nebula, white dwarf

Sirius will continue to be the brightest star for the next 210,000 years. Over the next 60,000 years, it will increase in brightness, then decrease. The Sirius binary system is 200-300 million years old. The white dwarf, Sirius b, is 220-238 million years old.  120 million years ago, Sirius b became a white dwarf. It lived 100-118 million years. It started out as a spectral class b main sequence star with mass between 4.99-6.31 suns.

Stars name— castor alpha geminorum

Stellar class— A1(5)

color— blue white

constellation— gemini

Apparent magnitude— 1.93

Absolute magnitude— .986

distance— 51 light years

mass— 2.76 suns

radius— 2.4 suns

luminosity— 34.49 suns

Surface temperature— 10,286 degrees kelvin

Velocity of motion— 3.722 miles/second recession

Movement in arcseconds/year— .24 seconds/year

Direction on the unit circle— 232.82 degrees

parallax—64.12 milliarcseconds

Size in arcseconds— .1539

Gravitational acceleration—  8.07% of a mile/second^2

Escape velocity— 290.7 miles/second

age— 370 million years old (with mass 2.76 suns, the age should be less than 711 million years.)

lifespan— 790 million years

Main sequence (prime of its life) lifespan— 711 million years

Time left as a main sequence star— 341 million years (could be less than 711 million years.)

When will this star die?— 420 million years (over 79 million years)

Fate of the star— planetary nebula, white dwarf star

Stars name— denebola  beta leonis

Stellar class— A3(5)

color— blue white

constellation— leo

Apparent magnitude— 2.113

Absolute magnitude— 1.93

distance— 35.9 light years

mass— 1.78 suns

radius— 1.728 suns

luminosity— 15 suns

Surface temperature— 8,500 degrees kelvin

Velocity of motion— .124 miles/second approach

Movement in arcseconds/year— .128 seconds/year

Direction on the unit circle— 255.68 degrees

parallax—90.91 milliarcseconds

Size in arcseconds— .062

Gravitational acceleration—  10.32% of a mile/second^2

Escape velocity— 275.13 miles/second

age— 100-380 million years old

lifespan—2 billion 366 million years

Main sequence (prime of its life) lifespan— 2 billion 121 million years

Time left as a main sequence star— 1 billion 741 million-2 billion 21 million years

When will this star die?— 1 billion 986 million-2 billion 266 million  years

Fate of the star— planetary nebula, white dwarf

Stars name— zosma delta leonis

Stellar class— A4(5)

color— blue white

constellation— leo

Apparent magnitude— 2.56

Absolute magnitude— 1.29

distance— 58.4 light years

mass— 2.2 suns

radius— 2.14 suns

luminosity— 15.5 suns

Surface temperature— 8,296 degrees kelvin

Velocity of motion— 12.524 miles/second approach

Movement in arcseconds/year— .13121 seconds/year

Direction on the unit circle— 313.15 degrees

parallax—55.82 milliarcseconds

Size in arcseconds— .1195

Gravitational acceleration—  8.09% of a mile/second^2

Escape velocity— 274.86 miles/second

age— 600-750 million years old

lifespan— 1 billion 139 million years

Main sequence (prime of its life) lifespan— 1 billion 254 million years

Time left as a main sequence star— 504 million-654 million years

When will this star die?— 389 million-539 million years

Fate of the star— planetary nebula, white dwarf

Rotation velocity 173.6 miles/second (oblate spheroid shape)

May be a member of the ursa major moving group, which is about 500 million years old.

Stars name— altair alpha aquilae

Stellar class— A7(5)

color— blue white

constellation— aquila

Apparent magnitude— .76

Absolute magnitude— 2.22

distance— 16.73 light years

mass— 1.79 suns

radius— 1.63 suns

luminosity— 10.6 suns

Surface temperature— 6,900-8,500 degrees kelvin

Velocity of motion— 16.13 miles/second approach

Movement in arcseconds/year— .4372 seconds/year

Direction on the unit circle— 39.66 degrees

parallax—194.95 milliarcseconds

Size in arcseconds— .3178

Gravitational acceleration— 11.34% of a mile/second^2

Escape velocity— 898.33 miles/second

age— 1 billion 200 million years old

lifespan— 2 billion 333 million years

Main sequence (prime of its life) lifespan—  2 billion 100 million years

Time left as a main sequence star— 900 million years

When will this star die?— 1 billion 133 million years

Fate of the star— planetary nebula, white dwarf star

Shaped like an oblate spheroid with a rotation velocity of 148.8 miles/second. Its polar diameter is 20% less than its equatorial diameter.

Stars name— porrima gamma virginis

Stellar class— F0(5)

color— white

constellation— virgo

Apparent magnitude— 2.74

Absolute magnitude— 2.41

distance— 38.1 light years

mass— 1.56 suns

radius— 2.31 suns

luminosity— 9.29 suns

Surface temperature— 6.757 degrees kelvin

Velocity of motion— 12.09 miles/second approach

Movement in arcseconds/year— .072 seconds/year

Direction on the unit circle— 173.67 degrees

parallax—85.58 milliarcseconds

Size in arcseconds— 1.977

Gravitational acceleration—  4.92% of a mile/second^2

Escape velocity— 222.77 miles/second

age— 1 billion 140 million years old

lifespan— 3 billion 290 million years

Main sequence (prime of its life) lifespan— 2 billion 961 million years

Time left as a main sequence star— 1 billion 821 million years

When will this star die?— 2 billion 150 million years

Fate of the star— planetary nebula, white dwarf star

Stars name— talitha iota ursae majoris

Stellar class— F0(5)

color— white

constellation— ursa major

Apparent magnitude— 3.14

Absolute magnitude— 2.31

distance— 47.3 light years

mass— 1.7 suns

radius— 3.02 suns

luminosity— 9.87 suns

Surface temperature— 6,000 degrees kelvin

Velocity of motion— 5.5 miles/second recession

Movement in arcseconds/year— .235 seconds/year

Direction on the unit circle— 241.11 degrees

parallax—68.92 milliarcseconds

Size in arcseconds— .208

Gravitational acceleration— 3.14% of a mile/second^2

Escape velocity— 203.39 miles/second

age— 620 million years old

lifespan— 2 billion 654 million years

Main sequence (prime of its life) lifespan— 2 billion 389 million years

Time left as a main sequence star— 1 billion 769 million years

When will this star die?— 2 billion 34 million years

Fate of the star— planetary nebula, white dwarf star

Stars name— procyon alpha canis minoris

Stellar class— F5(5)

color— white

constellation— ursa minor

Apparent magnitude— .34

Absolute magnitude— 2.66

distance— 11.46 light years

mass— 1.499 suns

radius— 2.048 suns

luminosity— 6.93 suns

Surface temperature— 6,530 degrees kelvin

Velocity of motion— 1.984 miles/second approach

Movement in arcseconds/year— 1.274 seconds/year

Direction on the unit circle— 298.42 degrees

parallax—284.56 milliarcseconds

Size in arcseconds— .5828

Gravitational acceleration— 5.15% of a mile/second^2

Escape velocity— 231.92 miles/second

age— 1 billion 740 million-2 billion years old

lifespan— 3 billion 635 million years

Main sequence (prime of its life) lifespan— 3 billion 271 million years

Time left as a main sequence star— 1 billion 274 million-1 billion 531 million years

When will this star die?— 1 billion 635 million-1 billion 895 years

Fate of the star— planetary nebula, white dwarf star

Stars name— sol (our sun)

Stellar class— G2(5)

color— yellow

constellation— n/a

Apparent magnitude— -26.74

Absolute magnitude— 4.83

distance—93 million miles from earth

mass—  1.989 x 10^30 kilograms

radius— 693,979.2344 kilometers 

luminosity— 3.828 x 10^26 watts

Surface temperature— 5,880 degrees kelvin

Velocity of motion—  12.4 miles/second towards lambda hercules

Movement in arcseconds/year— .5298 seconds/year

Direction on the unit circle— 202.78 degrees

parallax—2,129,040 milliarcseconds

Size in arcseconds— 2,129.04

Gravitational acceleration—  17.03% of a miles/second^2

Escape velocity— 382.974 miles/second

age— 4 billion 603million years old

lifespan—10 billion years

Main sequence (prime of its life) lifespan— 9 billion years

Time left as a main sequence star—4 billion 397 million years

When will this star die?— 8 billion years

Fate of the star— planetary nebula, white dwarf star

NOTE—during its red giant lifetime, the sun will expand to 256 times larger than it is now. It will have a luminosity of 34,265 suns and an absolute magnitude of -6.51, apparent magnitude of -38.01, and a surface temperature of 5,000 kelvin..  Sol began its life 40 million years before earth formed. It has increased its luminosity 1% every 100 million years (30% in 4.5 billion years).

In 1.1 billion years, the sun will be 10% brighter, and in 3.5 billion years, it will be 40% brighter. the helium fusing phase will last for 130 million years, and the sun will expand past the orbits of mercury and venus. in 7.59 billion years, the sun will become a red giant. Its mass will then be decreased 67% and will be 1/2 as hot as it is now.  the earth will be engulfed before the red giant phase and the sun will grow .25 AU during the next 500,000 years.

Stars name— rigel kent alpha centauri

Stellar class— G2(5)

color— yellow

constellation— centaurus

Apparent magnitude— .01

Absolute magnitude— 4.38

distance— 4.367 light years

mass— 1.1 suns

radius— 1.2234 suns

luminosity— 1.519 suns

Surface temperature— 5,790 degrees kelvin

Velocity of motion— 13.268 miles/second approach

Movement in arcseconds/year— .2374 seconds/year

Direction on the unit circle— 97.5 degrees

parallax—20.23 milliarcseconds

Size in arcseconds— .9334

Gravitational acceleration— 12.37% of a mile/second^2

Escape velocity— 257.05 miles/second

age— 4 billion 400 million years old

lifespan— 7 billion 880 million years

Main sequence (prime of its life) lifespan— 7 billion 92 million years

Time left as a main sequence star— 2 billion 692 million years

When will this star die?—  3 billion 480 million years

Fate of the star— planetary nebula, white dwarf star

                               

Stars name—  alpha centauri B

Stellar class— K1(5)

color— orange

constellation— centaurus

Apparent magnitude— 1.33

Absolute magnitude— 5.71

distance— 4.367 light years

mass— .907 suns

radius— .8632 suns

luminosity— .445 suns

Surface temperature— 5,260 degrees kelvin

Velocity of motion— 13.268 miles/second approach

Movement in arcseconds/year— .2374 seconds/year

Direction on the unit circle— 97.5 degrees

parallax—20.23 milliarcseconds

Size in arcseconds— .01746

Gravitational acceleration— 20.49% of a mile/second^2

Escape velocity— 277.87 miles/second

age— 6 billion 500 million years old

lifespan— 12 billion 764 million years

Main sequence (prime of its life) lifespan— 11 billion 488 million years

Time left as a main sequence star— 4 billion 988 million years

When will this star die?—  6 billion 264 million years

Fate of the star— planetary nebula, white dwarf star

                               subgiant stars

Stars name— acrux  alpha crucis

Stellar class— B.5(4)

color— blue

constellation— crux

Apparent magnitude— .76

Absolute magnitude— -2.2

distance— 320 light years

mass— 17.8 suns

radius— greater than 6.6 suns

luminosity— 648.84 suns (should 25,000)

Surface temperature— 24,000 degrees kelvin

Velocity of motion— 6.944 miles/second approach

Movement in arcseconds/year— .03879 seconds/year

Direction on the unit circle— 244.97 degrees

parallax—10.13 milliarcseconds

Size in arcseconds— .066858

Gravitational acceleration—  6.88% of a mile/second^2

Escape velocity— 718.03 miles/second

age— greater than 6 million 700 thousand years old

lifespan—greater than 7 million 480 years

Main sequence (prime of its life) lifespan— greater than 6 million 700 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 748 thousand  years

Fate of the star— supernova, neutron star

Stars name— alfirk  beta cephei

Stellar class— B1(4)

color— blue

constellation— cepheus

Apparent magnitude— 3.16 to 3.27

Absolute magnitude— -3.03

distance— 690 light years

mass— 12.2-19.5 suns

radius— 5.6 suns

luminosity— 15,100 suns

Surface temperature— 27,000 degrees kelvin

Velocity of motion— 5.08 miles/second approach

Movement in arcseconds/year— .00839 seconds/year

Direction on the unit circle— 37.54 degrees

parallax—4.76 milliarcseconds

Size in arcseconds— .0267

Gravitational acceleration—  6.55-10.47% of a mile/second^2

Escape velocity— 525.85 miles/second

age— 8.7 million years old

lifespan—greater than 5 million 955 thousand-19 million 235 thousand years

Main sequence (prime of its life) lifespan— greater than 5 million 360 thousand-17 million 312 thousand  years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 595.5 thousand  years

Fate of the star— supernova, neutron star

Stars name— algenib  gamma pegasi

Stellar class— B2(4)

color— blue

constellation— pegasus

Apparent magnitude— 2.84

Absolute magnitude— -2.64

distance— 390 light years

mass— 8.9 suns

radius— 4.8 suns

luminosity— 5,840 suns

Surface temperature— 21,179 degrees kelvin

Velocity of motion— 2.542 miles/second recession

Movement in arcseconds/year— .00928 seconds/year

Direction on the unit circle— 273.38 degrees

parallax—8.33 milliarcseconds

Size in arcseconds— .03998

Gravitational acceleration—  6.514% of a mile/second^2

Escape velocity— 358.61 miles/second

age— 15.5-21.9 million years old

lifespan—greater than 48 million 900 thousand years

Main sequence (prime of its life) lifespan— greater than 44 million years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 27 million-33 million 400 thousand years

Fate of the star— supernova, white dwarf

Stars name— lesath  upsilon scorpi

Stellar class— B2(4)

color— blue

constellation— scorpius

Apparent magnitude— 2.7

Absolute magnitude— -3.53

distance— 577.3 light years

mass— 11.4 suns

radius— 6.1 suns

luminosity— 7,381 suns (should be 12,300)

Surface temperature— 22,831 degrees kelvin

Velocity of motion— 4.96 miles/second recession

Movement in arcseconds/year— .03 seconds/year

Direction on the unit circle— 85 degrees

parallax—5.66 milliarcseconds

Size in arcseconds— .0345

Gravitational acceleration—  5.16% of a mile/second^2

Escape velocity— 370.58 miles/second

age— 17.4-22.6 million years old

lifespan—greater than 22 million 800 thousand years

Main sequence (prime of its life) lifespan— greater than 20 million 500 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 2 million 50 thousand years (could dies any time)

Fate of the star— supernova, neutron star

Stars name— taygeta  19 tauri

Stellar class— B6(4)

color— blue

constellation— taurus

Apparent magnitude— 4.3

Absolute magnitude— -1.35

distance— 440.3 light years

mass— 4.5 suns

radius— 3.71 suns

luminosity— 600 suns

Surface temperature— 9,000 degrees kelvin

Velocity of motion— 6.262 miles/second

Movement in arcseconds/year— .0406 seconds/year

Direction on the unit circle— 320.71 degrees

parallax—7.97 milliarcseconds

Size in arcseconds— .02957

Gravitational acceleration—  5.5% of a mile/second^2

Escape velocity— 481.53 miles/second

age— greater than or equal to 1 billion years old

lifespan—greater than 209 million 500 thousand years

Main sequence (prime of its life) lifespan— greater than 232 million 800 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 20 million 950 thousand years

Fate of the star— planetary nebula, white dwarf star

Stars name— phact  alpha colombae

Stellar class— B7(4)

color— blue

constellation— colomba

Apparent magnitude— 2.645

Absolute magnitude— -1.87

distance— 261 light years

mass— 4.5 suns

radius— 5.8 suns

luminosity— 478.78 suns

Surface temperature— 12,963 degrees kelvin

Velocity of motion— 21.7 miles/second recession

Movement in arcseconds/year— .0248 seconds/year

Direction on the unit circle— 174.05 degrees

parallax—12.48 milliarcseconds

Size in arcseconds— .0724

Gravitational acceleration—  2.25% of a mile/second^2

Escape velocity— 238.78 miles/second

age— greater than 209 million 500 thousand years old

lifespan—greater than 232 million 790 thousand years

Main sequence (prime of its life) lifespan— greater than 209 million 500 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 23 million 300 thousand  years

Fate of the star— planetary nebula, white dwarf

Stars name— regulus alpha leonis

Stellar class— B8(4)

color— blue

constellation— leo

Apparent magnitude— 1.4

Absolute magnitude— -.57

distance— 79.3 light years

mass— 3.8 suns

radius— 3.092 suns

luminosity— 288 suns

Surface temperature— 12,460 degrees kelvin

Velocity of motion— 3.658 miles/second recession

Movement in arcseconds/year— .00608 seconds/year

Direction on the unit circle— 178.57 degrees

parallax—41.11 milliarcseconds

Size in arcseconds— .127

Gravitational acceleration—  6.69% of a mile/second^2

Escape velocity— 300.52 miles/second

age— greater than or equal to 1 billion years old

lifespan—greater than 1 billion 100 million years

Main sequence (prime of its life) lifespan— greater than 1 billion years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 100 million years

Fate of the star— planetary nebula, white dwarf star

Stars name— alpheratz  alpha andromedae

Stellar class— B8(4)

color— blue

constellation— Andromeda

Apparent magnitude— 2.06

Absolute magnitude— -.19

distance— 97 light years

mass— 3.8 suns

radius— 2.7 suns

luminosity— 101.88 suns

Surface temperature— 13,800 degrees kelvin

Velocity of motion— 6.572 miles/second approach

Movement in arcseconds/year— .1644 seconds/year

Direction on the unit circle— 355.26 degrees

parallax—33.62 milliarcseconds

Size in arcseconds— .0908

Gravitational acceleration—  8.77% of a mile/second^2

Escape velocity— 321.6 miles/second

age— 60 million years old

lifespan—greater than 355 million years

Main sequence (prime of its life) lifespan— greater than 319 million 700 thousand years

Time left as a main sequence star— according to its mass, this star should still be a main sequence star.

When will this star die?— less than 319 million 700 thousand  years

Fate of the star— supernova, neutron star

Stars name— algorab delta corvi

Stellar class— A0(4)

color— blue white

constellation— corvus

Apparent magnitude— 2.962

Absolute magnitude— .2

distance— 86.76 light years

mass— 2.74 suns

radius— 2.66 suns

luminosity— 69 suns

Surface temperature— 10,400 degrees kelvin

Velocity of motion— 5.58 miles/second recession

Movement in arcseconds/year— .1418 seconds/year

Direction on the unit circle— 142.95 degrees

parallax—37.55 milliarcseconds

Size in arcseconds— .09988

Gravitational acceleration—  6.52% of a mile/second^2

Escape velocity— 286.63 miles/second

age— 236-274 million years old

lifespan—greater 804 million 700 thousand years

Main sequence (prime of its life) lifespan— greater than 724 million 200 thousand years

Time left as a main sequence star—according to its mass, this star should sell be a main sequence star.

When will this star die?— less than 530 million 700 thousand-568 million 700 thousand years

Fate of the star— planetary nebula, white dwarf star

Stars name— sabik eta ophiucus

Stellar class— A1(4)

color— blue white

constellation— ophiucus

Apparent magnitude— 2.43

Absolute magnitude— .27

distance— 88 light years

mass— 2.966 suns

radius— 7.45 suns

luminosity— 66.47 suns

Surface temperature— 6,150 degrees kelvin

Velocity of motion— 2.966 miles/second

Movement in arcseconds/year— .09925 seconds/year

Direction on the unit circle— 75.52 degrees

parallax—36.91 milliarcseconds

Size in arcseconds— .27498

Gravitational acceleration— 47 feet 5.76 inches/second^2

Escape velocity— 275.88 miles/second

age— greater than 594 million years old

lifespan—greater than 660 million years

Main sequence (prime of its life) lifespan— greater than 594 years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 66 million years

Fate of the star— planetary nebula, white dwarf star

Sabik is the north pole star of the planet uranus.

Stars name— menkalanin beta aurigae

Stellar class— A1(4)

color— blue white

constellation— auriga

Apparent magnitude— 1.9

Absolute magnitude— .55

distance— 81.1 light years

mass— 2.389 suns

radius— 2.77 suns

luminosity— 48 suns

Surface temperature— 9,350 degrees kelvin

Velocity of motion— 11.284 miles/second approach

Movement in arcseconds/year— .00095 seconds/year

Direction on the unit circle— 268.39 degrees

parallax—40.21 milliarcseconds

Size in arcseconds— .11138

Gravitational acceleration—  5.24% of a mile/second^2

Escape velocity— 251.75 miles/second

age— 370 million years old

lifespan— greater than 1 billion 113 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 20 million years

Time left as a main sequence star—has left the main sequence

When will this star die?— less than 563 million 500 thousand years

Fate of the star— planetary nebula, white dwarf star

Stars name— Alhena gamma geminorum

Stellar class— A1.5(4)

color— blue white

constellation— gemini

Apparent magnitude— 1.915

Absolute magnitude— -.68

distance— 110.9 light years

mass— 2.81 suns

radius— 3.3 suns

luminosity— 123 suns

Surface temperature— 9,260 degrees kelvin

Velocity of motion— 7.75 miles/second approach

Movement in arcseconds/year— .05497 seconds/year

Direction on the unit circle— 357.9 degrees

parallax—29.84 milliarcseconds

Size in arcseconds— .0985

Gravitational acceleration—  4.34% of a miles/second^2

Escape velocity— 250.15 miles/second

age— greater than 680 million years old

lifespan—greater than 756 million years

Main sequence (prime of its life) lifespan— greater than 680 million years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 75 million 550 thousand years

Fate of the star— planetary nebula, white dwarf star

This star is a spectroscopic binary system with a period of orbit of 4,614.51 days in a highly keplerian orbit with a separation distance of 5.42 AU (504.39 million miles).

Stars name— acamar theta eridani

Stellar class— A3(4)

color— blue white

constellation— eridanus

Apparent magnitude— 3.3

Absolute magnitude— -.59

distance— 161 light years

mass— 2.6 suns

radius— 16 suns

luminosity— 145 suns

Surface temperature— 8,200 degrees kelvin

Velocity of motion— 7.378 miles/second

Movement in arcseconds/year— .022 seconds/year

Direction on the unit circle— 154.93 degrees

parallax—20.23 milliarcseconds

Size in arcseconds— .3237

Gravitational acceleration—  9 feet/second^2

Escape velocity— 209.28 miles/second

age— greater than 491 million years old

lifespan—greater than 546 million years

Main sequence (prime of its life) lifespan— greater than 491 million years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 55 million years

Fate of the star— planetary nebula, white dwarf star

This star is a binary system with a separation distance of 771.9 million miles and an orbital period of 23.91 years. Its companion is an A1 stars, apparent magnitude of 4.3, absolute magnitude of .83, luminosity of 36 suns, temperature of 9,200 kelvin, and mass of 2.4 suns.

Stars name— ruchbah delta cassiopeiae

Stellar class— A5(4)

color— blue white

constellation— cassiopeia

Apparent magnitude— 2.68

Absolute magnitude— .28

distance— 99.48 light years

mass— 2.49 suns

radius— 3.9 suns

luminosity— 72.88 suns

Surface temperature— 7.980 degrees kelvin

Velocity of motion— 4.154 miles/second approach

Movement in arcseconds/year— .0513 seconds/year

Direction on the unit circle— 349.53 degrees

parallax—32.81 milliarcseconds

Size in arcseconds— .12796

Gravitational acceleration—  2.755% of a mile/second^2

Escape velocity— 225.66 miles/second

age— 600 million years old

lifespan—greater than 1 billion 22 million years

Main sequence (prime of its life) lifespan— greater than 920 million years

Time left as a main sequence star— this star should still be a main sequence star according to its mass.

When will this star die?— less than 422 million years

Fate of the star— planetary nebula, white dwarf star

This star system is an eclipsing binary system. The 2 stars are separated by 151.37 million miles and have a period of 759 days.  The main star is 4% beyond its main sequence lifetime. An excess of infrared emissions at wavelength 60 micrometers suggests the presence of a debris disk. The heat of the debris disk is 85 degrees kelvin which corresponds to an orbital radius of 88 AU (8.184 billion miles). Our star’s copier belt has an orbit of 30-50 AU (2.79-4.65 billion miles).

                                  giant stars

Stars name— mimosa beta crucis

Stellar class— B.5(3)

color— blue

constellation— crux

Apparent magnitude— 1.25

Absolute magnitude— -2.82

distance 280 light years

mass— 16 suns

radius— 8.4 suns

luminosity— 34,000 suns

Surface temperature— 27,000 degrees kelvin

Velocity of motion— 9.672 miles/second recession

Movement in arcseconds/year— .0162 seconds/year

Direction on the unit circle— 247.07 degrees

parallax—11.71 milliarcseconds

Size in arcseconds— .09836

Gravitational acceleration— 3.82% of a mile of a mile/second^2

Escape velocity— 374.13 miles/second

age— 8-11 million years old

lifespan— greater than 9 million 760 thousand years

Main sequence (prime of its life) lifespan— greater than 8 million 790 thousand years

Time left as a main sequence star— already completed

When will this star die?— less than 1 million 760 thousand years, and could supernova at any time

Fate of the star— supernova, neutron star

Mimosa, a B2(5) star, is 10 solar masses with a separation distance of 5.4-12 AU from mimosa. Mimosa is losing a sun’s mass every 100 million years from strong stellar winds which have a velocity of 1,240 miles/second.

Stars name— bellatrix  gamma orionis

Stellar class— B2(3)

constellation— orion

color— blue

Right ascension— 05 hours 25 minutes 07.86323 seconds

declination— 06 degrees 20 minutes 58.9318 seconds

Apparent magnitude— 1.64

Absolute magnitude— -2.78

distance— 250 light years

mass— 8.6 suns

radius— 20 suns

luminosity— 9,211 suns

Surface temperature— 22,000 degrees kelvin

Velocity of motion— 11.284 miles/second approach

Movement in arcseconds/year— .015 seconds/year

Direction on the unit circle— 212.2 degrees 

parallax—43.46 milliarcseconds

size— .2608 arc seconds

gravity— 19 feet 1.2 inches/second^2

Escape velocity— 177.76 miles/second

age— 25 million 200 thousand years old

lifespan—greater than 27 million 720 thousand years

Main sequence (prime of its life) lifespan— greater than 24 million 948 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 2 million 520 thousand years

Fate of the star— supernova, white dwarf star

This star is much closer to us than the 3 main belt stars in the orion the hunter constellation.

Stars name— alcyone eta tauri

Stellar class— B5(3)

color— blue

constellation— taurus

Apparent magnitude— 2.87

Absolute magnitude— -2.62

distance— 440 light years

mass— 3.4-3.8 suns

radius— 8.2 suns

luminosity— 2,030 suns

Surface temperature— 12,258 degrees kelvin

Velocity of motion— 3.348 miles/second approach

Movement in arcseconds/year— .0437 seconds/year

Direction on the unit circle— 286.54 degrees

parallax—8.09 milliarcseconds

Size in arcseconds— .06634

Gravitational acceleration—  47 feet 6.95 inches% of a mile/second^2

Escape velocity— 179.62 miles/second

Rotation velocity— 92.38 miles/second

age— cluster is located in is 100 million years old

lifespan— greater than 355 million 260 thousand-469 million 140 thousand years

Main sequence (prime of its life) lifespan— greater than 319 million 730 thousand-422 million 230 thousand years

Time left as a main sequence star— should already left the main sequence, but 100 million year age implies still a main sequence star.

When will this star die?— less than 35 million 530 thousand-46 million 910 thousand years, but age of 100 million years gives time of death at 255 million 260 thousand-369 million 140 thousand years from now

Fate of the star—planetary nebula, while dwarf

Stars name— kaus australis epsilon sagittarii

Stellar class— B9.5(3)

color— blue

constellation— sagittarius

Apparent magnitude— 1.95

Absolute magnitude— -1.41

distance— 143 light years

mass— 3.515 suns

radius— 6.8 suns

luminosity— 363 suns

Surface temperature— 9,960 degrees kelvin

Velocity of motion— 9.3 miles/second approach

Movement in arcseconds/year— .13 seconds/year

Direction on the unit circle— 99.57 degrees

parallax—22.76 milliarcseconds

Size in arcseconds— .1548

Gravitational acceleration—  67 feet 6.65 inches/second^2

Escape velocity— 194.9 miles/second

Rotation velocity— 146.32 miles/second

age— 232 million years old

lifespan—greater than 431 million 700 thousand years

Main sequence (prime of its life) lifespan— greater than 156 million 530 thousand years

Time left as a main sequence star—past the main sequence, but age too young, so should still be a main sequence star

When will this star die?— less than 199 million 700 thousand years

Fate of the star— planetary nebula, white dwarf

Star has companion— mass .95 suns, absolute magnitude 4.96, apparent magnitude 8.17, luminosity .89 suns, separation distance 155 AU (14.415 billion miles), period of orbit 1,929.73 years

Stars name—miaplacidus beta carinae

Stellar class— A1(3)

color— blue white

constellation— carina

Apparent magnitude— 1.69

Absolute magnitude— -1.03

distance— 113.2 light years

mass— 3.5 suns

radius— 6.8 suns

luminosity— 288 suns

Surface temperature— 8,866 degrees kelvin

Velocity of motion— 3.224 miles/second approach

Movement in arcseconds/year— .11 seconds/year

Direction on the unit circle— 141.28 degrees

parallax—28.82 milliarcseconds

Size in arcseconds— .19598

Gravitational acceleration—  67 feet 3.24 inches/second^2

Escape velocity— 194.48 miles/second

age— 260 million years old

lifespan—greater than 2 billion 693  million years

Main sequence (prime of its life) lifespan— greater than 2 billion 424 million years

Time left as a main sequence star— greater than 2 billion 164 million years

When will this star die?— less than 2 billion 433 million years

Fate of the star— planetary nebula, white dwarf star

Stars name— cursa beta eridani

Stellar class— A3(5)

color— blue white

constellation— eridanus

Apparent magnitude— 2.796

Absolute magnitude— .59

distance— 81 light years

mass— 2.0 suns

radius— 2.4 suns

luminosity— 25 suns

Surface temperature— 8,360 degrees kelvin

Velocity of motion— 3.6 miles/second approach

Movement in arcseconds/year— .0757 seconds/year

Direction on the unit circle— 222.99 degrees

parallax—36.5 milliarcseconds

Size in arcseconds— .0876

Gravitational acceleration—  5.84% of a mile/second^2

Escape velocity— 398.89 miles/second

Rotation velocity— 121.52 miles/second

age— greater than 1 billion 591 million years old

lifespan—greater than 1 billion 768 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 591 million years

Time left as a main sequence star—already left the main sequence

When will this star die?— less than 176 million 800 thousand years

Fate of the star— planetary nebula, white dwarf

Stars name—rasalhahue alpha ophiucus

Stellar class— A5(3)

color— blue white

constellation— ophiucus

Apparent magnitude— 2.07

Absolute magnitude— 1.248

distance— 48.6 light years

mass— 2.4 suns

radius— 2.6 suns

luminosity— 25.1-25.6 suns

Surface temperature— 7,880-8,050 degrees kelvin

Velocity of motion— 7.812 miles/second recession

Movement in arcseconds/year— .2264 seconds/year

Direction on the unit circle— 288.89 degrees

parallax—67.13 milliarcseconds

Size in arcseconds— .067

Gravitational acceleration—  5.98% of a mile/second^2

Escape velocity— 260.45 miles/second

Rotation velocity— 148.8 miles/second

age—740-800 million years old

lifespan—greater than 1 billion 121 million years

Main sequence (prime of its life) lifespan—greater than 1 billion 9 million years

Time left as a main sequence star—past the main sequence

When will this star die?— greater than 321 million-381 million years

Fate of the star— planetary nebula, white dwarf star

This star has a K5-7(5) companion with mass .85 suns, radius less than 1.5 suns, temperature 4,161 kelvin, luminosity of    .566 suns, apparent magnitude of 5.45, absolute magnitude of 6.32, period of orbit of 8.62 years, and separation distance of 390.98 million miles.

Stars name— seginus gamma bootes

Stellar class— A7(3)

color— blue white

constellation— bootes

Apparent magnitude— 3.3

Absolute magnitude— .91

distance— 86.3 light years

mass— 1.95 suns

radius— 7.46 suns

luminosity— 34 suns

Surface temperature— 7,800 degrees kelvin

Velocity of motion— 22.11 miles/second approach

Movement in arcseconds/year— .1522 seconds/year

Direction on the unit circle— 121.59 degrees

parallax—37.58 milliarcseconds

Size in arcseconds— .28

Gravitational acceleration—  31 feet 1.66 inches/second^2

Escape velocity— 138.6 miles/second

Rotation velocity— 86.8 miles/second

age— greater than 1 billion 695 million years old

lifespan—greater than 1 billion 883 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 695 million years

Time left as a main sequence star—past the main sequence

When will this star die?— less than 188 million 327 million years

Fate of the star—planetary nebula, white dwarf

Stars name— adhafara zeta leonis

Stellar class— F0(3)

color— white

constellation— leo

Apparent magnitude— 3.33

Absolute magnitude— -1.19

distance— 274 light years

mass— 3.0 suns

radius— 6.0 suns

luminosity— 85 suns

Surface temperature— 6,792 degrees kelvin

Velocity of motion— 9,673 miles/second approach

Movement in arcseconds/year— .00684 seconds/year

Direction on the unit circle— 337.33 degrees

parallax—11.9 milliarcseconds

Size in arcseconds— .0714

Gravitational acceleration— 74 feet 9.144 millimeters/second^2

Escape velocity— 191.68 miles/second

age— greater than 444 million 750 thousand years old

lifespan— greater than 494 million 200 thousand years

Main sequence (prime of its life) lifespan—greater than 444 million 750 thousand years

Time left as a main sequence star— past the main sequence

When will this star die?— less than 49 million 450 thousand years

Fate of the star— planetary nebula, white dwarf star

Stars name— caph beta cassiopeiae

Stellar class— F2(3)

color— yellow white

constellation— Cassiopeia

Apparent magnitude— 2.28

Absolute magnitude— 1.3

distance— 54.7 light years

mass— 1.91 suns

radius— 3.43-3.69 suns

luminosity— 27.3 suns

Surface temperature— 7,079 degrees kelvin

Velocity of motion— 7.006 miles/second

Movement in arcseconds/year— 2.97 seconds/year

Direction on the unit circle— 338.94 degrees

parallax—59.58 milliarcseconds

Size in arcseconds— .212

Gravitational acceleration—  2.54% of a mile/second^2

Escape velocity— 196.56 miles/second

Rotation rate— 1.12 times daily

age— 1 billion 90 million-1 billion 180 million years old

lifespan—greater than 1 billion 983 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 785 million years

Time left as a main sequence star— less than 605 million-695 million years

When will this star die?— less than 803 million-893 million years

Fate of the star— planetary nebula, white dwarf

Stars name— sadalbari mu pegasi

Stellar class— G8(3)

color— yellow

constellation— pegasus

Apparent magnitude— 3.514

Absolute magnitude— .432

distance— 106.1 light years

mass— 1.3 suns

radius— 9.6 suns

luminosity— 57.45 suns

Surface temperature— 4,950 degrees kelvin

Velocity of motion— 8.395 miles/second recession

Movement in arcseconds/year— .1506seconds/year

Direction on the unit circle— 342.07 degrees

parallax—30.74 milliarcseconds

Size in arcseconds— .2951

Gravitational acceleration— 12 feet 6.43 inches/second^2

Escape velocity— 160.9 miles/second

age— greater than 4 billion 671 million years old

lifespan— greater than 5 billion 190 million years

Main sequence (prime of its life) lifespan— greater than 4 billion 671 million years

Time left as a main sequence star—already left main sequence

When will this star die?— 519 million years

Fate of the star— planetary nebula, white dwarf star

Stars name— vindamiatrix epsilon virginis

Stellar class— G8(3)

color— yellow

constellation— virgo

Apparent magnitude— 2.826

Absolute magnitude— .37

distance— 109.6 light years

mass— 2.64 suns

radius— 10.6 suns

luminosity— 77 suns

Surface temperature— 5,086 degrees kelvin

Velocity of motion— 9.052 miles/second approach

Movement in arcseconds/year— .0207 seconds/year

Direction on the unit circle— 177.37 degrees

parallax—29.76 milliarcseconds

Size in arcseconds— .3155

Gravitational acceleration—  20 feet 10.56 inches/second^2

Escape velocity— 135.28 miles/second

age— 470-650 million years old

lifespan— greater than 880 million 600 thousand years

Main sequence (prime of its life) lifespan— greater than 794 million 750 thousand years

Time left as a main sequence star—already left the main sequence

When will this star die?— less than 230 million 600 thousand-410 million 600 thousand years

Fate of the star— planetary nebula, white dwarf star

Stars name—menkent theta centuari

Stellar class— K0(3)

color— orange

constellation— centaurus

Apparent magnitude— 2.06

Absolute magnitude— .87

distance— 58.8 light years

mass— 1.57 suns

radius— 10.6 suns

luminosity— 60 suns

Surface temperature— 4,980 degrees kelvin

Velocity of motion— .806 miles/second recession

Movement in arcseconds/year— .58398 seconds/year

Direction on the unit circle— 220.16 degrees

parallax—55.45 milliarcseconds

Size in arcseconds— .58778

Gravitational acceleration—  12 feet 5 inches/second^2

Escape velocity— 104.33 miles/second

age— greater than 2 billion 911 million years old

lifespan—greater than 3 billion 238 million years

Main sequence (prime of its life) lifespan— greater than 2 billion 914 million years

Time left as a main sequence star—already finished main sequence

When will this star die?— less than 328 million 800 thousand years

Fate of the star— planetary nebula, white dwarf star

Soft x-rays emitted by this star estimate energy 1.4 x 10^27 ergs/second

Stars name— deneb kaitos beta ceti

Stellar class— K0(3)

color— orange

constellation— cetus

Apparent magnitude— 2.02

Absolute magnitude— -.13

distance— 96.3 light years

mass— 2.8 suns

radius— 16.78 suns

luminosity— 139.1 suns

Surface temperature— 4,797 degrees kelvin

Velocity of motion— 8.998 miles/second recession

Movement in arcseconds/year— .0328 seconds/year

Direction on the unit circle— 9.7 degrees

parallax—33.86 milliarcseconds

Size in arcseconds— .0568

Gravitational acceleration—  8 feet 10 inches/second^2

Escape velocity— 188.6 miles/second

age— greater than 1 billion years old

lifespan— greater than 763 million 260 thousand years

Main sequence (prime of its life) lifespan— greater than 686 million years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 76 million 225 thousand years

Fate of the star— planetary nebula, white dwarf star

Star evolved away from being an A type main sequence star and has beed fusing helium in its core for over 100 million years. 

Stars name— arcturus alpha bootes

Stellar class— K0(3)

color— orange

constellation— bootes

Apparent magnitude— -.05

Absolute magnitude— -.3

distance— 36.7 light years

mass— 1.08 suns

radius— 25.4 suns

luminosity— 170 suns

Surface temperature— 4,286 degrees kelvin

Velocity of motion— 3.22 miles/second approach

Movement in arcseconds/year— 2.96 seconds/year

Direction on the unit circle— 201.86 degrees

parallax—88.83 milliarcseconds

Size in arcseconds— 2.256

Gravitational acceleration—  1 foot 5.85 inches/second^2

Escape velocity— 90.16 miles/second

age— 5.9-8.6 billion years old

lifespan— greater than 8 billion 250 million years

Main sequence (prime of its life) lifespan— greater than 7 billion 425 million years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 825 million years

Fate of the star— planetary nebula, white dwarf star

This star will make its closest approach to us in 4000 years and will be a few hundredths of a light years closer to us than it is today.

Stars name— capella alpha aurigae

Stellar class— K0(3)/G1(3)

color— orange/yellow

constellation— auriga

Apparent magnitude— .08/-.43

Absolute magnitude— .296/.167

distance— 42.919 light years

mass— 2.5687/2.4828 suns

radius— 11.98/8.83 suns

luminosity— 5.6/73.33 suns

Surface temperature— 4,970 degrees kelvin

Velocity of motion— 18.563 miles/second recession

Movement in arcseconds/year— .428 seconds/year

Direction on the unit circle— 271.14 degrees

parallax—76.3 milliarcseconds

Size in arcseconds— .9141

Gravitational acceleration—  15 foot 10.86 inches/second^2

Escape velocity— 202.46 miles/second

age— 590-650 million years old

lifespan— greater than 945 million 600 thousand years

Main sequence (prime of its life) lifespan— greater than 851 million years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 94 million 600 thousand years

Fate of the star— planetary nebula, white dwarf star

The capellini star system is one of the brightest x-ray sources in the sky.

Stars name— pollux beta geminorum

Stellar class— K0(3)

color— orange

constellation— gemini

Apparent magnitude— 1.14

Absolute magnitude— 1.18

distance— 33.76 light years

mass— 1.91 suns

radius— 8.8 suns

luminosity— 43 suns

Surface temperature— 4,666 degrees kelvin

Velocity of motion— 2 miles/second recession

Movement in arcseconds/year— .054 seconds/year

Direction on the unit circle— 265.36 degrees

parallax—96.54 milliarcseconds

Size in arcseconds— .84955

Gravitational acceleration—  21 foot 11 inches/second^2

Escape velocity— 96.54 miles/second

Rotation rate— ones every 558 days

age— 724 million years old

lifespan— greater than 1 billion 983 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 785 million years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 1 billion 259 years

Fate of the star— planetary nebula, white dwarf star

Has an extrasolar planet (thestias) with a mass of 2.3 jupiters, a period of 589.64 days, separation distance of 2.05 AU (190.756 million miles), and an eccentricity of .02.

Stars name— Ankaa alpha phoenicis

Stellar class— K.5(3)

color— orange

constellation— phoenicis

Apparent magnitude— 2.377

Absolute magnitude— .52

distance— 84.8 light years

mass— estimate 4.88 suns

radius— 15 suns

luminosity— 52.98 suns

Surface temperature— 4,436 degrees kelvin

Velocity of motion— 46.25 miles/second recession

Movement in arcseconds/year— .366 seconds/year

Direction on the unit circle— 296.88 degrees

parallax—38.5 milliarcseconds

Size in arcseconds— .5775

Gravitational acceleration— 4 feet 5.23 inches/second^2

Escape velocity— 74.17 miles/second

age— greater than 171 million 246 thousand years old

lifespan—greater than 190 million 274 thousand years

Main sequence (prime of its life) lifespan— greater than 171 million 246 thousand years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 19 million 27 thousand years

Fate of the star— planetary nebula, white dwarf

Stars name— hamel alpha Arietis

Stellar class— K1(3)

color— orange

constellation— aries

Apparent magnitude— 2.0

Absolute magnitude— .47

distance— 65.8 light years

mass— 1.5 suns

radius— 14.9 suns

luminosity— 55.47 suns

Surface temperature— 4,480 degrees kelvin

Velocity of motion— 8.804 miles/second approach

Movement in arcseconds/year— .1507 seconds/year

Direction on the unit circle— 317.62 degrees

parallax—49.56 milliarcseconds

Size in arcseconds— .7384

Gravitational acceleration— 6 feet/second^2

Escape velocity— 138.73 miles/second

age— 1.5-5.3 billion years old

lifespan—greater than 3 billion 629 million years

Main sequence (prime of its life) lifespan— greater than 3 billion 266 million years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 263 million years

Fate of the star— planetary nebula, white dwarf

Extrasolar planet Hamel b

Mass >= 1.8 jupiters, period 380.8 days, separation distance 1.0645 AU (99 million miles), eccentricity 

.25.

Stars name— errai gamma cephei a

Stellar class— K1(3)

color— orange

constellation— cepheus

Apparent magnitude— 3.22

Absolute magnitude— 2.62

distance— 44.9 light years

mass— 1.4 suns

radius— 4.79 suns

luminosity— 7.66 suns

Surface temperature— 4,883 degrees kelvin

Velocity of motion— 5.456 miles/second approach

Movement in arcseconds/year— .1267 seconds/year

Direction on the unit circle— 103.06 degrees

parallax—72.69 milliarcseconds

Size in arcseconds— .3482

Gravitational acceleration— 54 feet 2.4 inches/second^2

Escape velocity— 146.55 miles/second

age— 2 billion 620 million-3 billion 880 million years old

lifespan—greater than 4 billion 312 million years

Main sequence (prime of its life) lifespan— greater than 3 billion 881 million years

Time left as a main sequence star—already left main sequence (could have 810,000-1,261,000 years left on main sequence)

When will this star die?— less than 432 million-1 billion 692 million years

Fate of the star— planetary nebula, white dwarf

This star has a M4(5) red dwarf companion gamma cephei b with apparent magnitude 6.2, 5.51 absolute magnitude, .54 sun’s luminosity, mass .409, period of orbit 67.5 years, separation distance 1.499 billion miles. Extrasolar planet gamma cephei ab (tadmor) is orbiting the primary star. It has a mass of 1.85 jupiters, a period of orbit of 903.3 days, an orbital distance of 169.053 million miles, and an eccentricity of .049. The primary star will become the north pole star 3000-4000 AD. In 5200 AD, iota cephei will be the north pole star. 

Stars name— avior epsilon carinae

Stellar class— K3(3)/B2(5)

color— orange/blue

constellation— carina

Apparent magnitude— 2.166/4.1

Absolute magnitude— -4.47/-2.26

distance— 610 light years

mass— 9/7.3 suns

radius— 201.85/2.17 suns

luminosity— 5,250.28/686.06 suns

Surface temperature— 3,523/20,417 degrees kelvin

Velocity of motion— 1.192 miles/second recession

Movement in arcseconds/year— .02273 seconds/year

Direction on the unit circle— 133.69 degrees

parallax—5.39 milliarcseconds

Size in arcseconds— 1.088

Gravitational acceleration— 2 feet 9 inches/second^2

Escape velocity— 92.33 miles/second

age— 21.1-41.3 million years old

lifespan—greater than 41 million 150 thousand years

Main sequence (prime of its life) lifespan— greater than 37 million years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 4 million 150 thousand years

Fate of the star— supernova, white dwarf

The period of this binary system is 785 days and has a separation distance of  4 AU (372 million miles).

Stars name— kochab beta ursae minoris

Stellar class— K4(3)

color— orange

constellation— ursa minor

Apparent magnitude— 2.08

Absolute magnitude— -.83

distance— 130.9 light years

mass— 2.2 suns

radius— 42.06 suns

luminosity— 390 suns

Surface temperature— 4,030 degrees kelvin

Velocity of motion— 10.515 miles/second recession

Movement in arcseconds/year— .0405 seconds/year

Direction on the unit circle— 93.51 degrees

parallax—24.91 milliarcseconds

Size in arcseconds— 1.0477

Gravitational acceleration— 1 feet 1.26 inches/second^2

Escape velocity— 99.996 miles/second

age— greater than 1 billion 154 million years old

lifespan—greater than 1 billion 393 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 154 million years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 239 million years

Fate of the star—planetary nebula, white dwarf

Extrasolar planet beta urea minors b—

Mass 6.1 jupiters

Period 522.3 days

Separation distance 1.71 AU (159.03 million miles)

Eccentricity .19

Stars name— aldebaran alpha tauri

Stellar class— K5(3)

color— orange

constellation— taurus

Apparent magnitude— .86

Absolute magnitude— -.641

distance— 68.3 light years

mass— 1.5 suns

radius— 44.13 suns

luminosity— 518 suns

Surface temperature— 3,910 degrees kelvin

Velocity of motion— 33.64 miles/second recession

Movement in arcseconds/year— .19 seconds/year

Direction on the unit circle— 280.53 degrees

parallax—49.97 milliarcseconds

Size in arcseconds— 2.2052

Gravitational acceleration— 8 inches 5.43 millimeters/second^2

Escape velocity— 80.61 miles/second

age— greater than 3 billion 266 million years old

lifespan—greater than 3 billion 629 million years

Main sequence (prime of its life) lifespan— greater than 3 billion 266 million years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 363 million years

Fate of the star—planetary nebula, white dwarf

The star is losing 1 earth mass every 300,000 years.

Earth seen from aldebaran would be magnitude 6.4 between constellations ophiucus and scorpius.

Pioneer 10 is going in the direction of aldebaran and will make its closest approach in 2 million years.

Stars name— mirach beta andromedae

Stellar class— M0(3)

color— red

constellation— Andromeda

Apparent magnitude— 2.05

Absolute magnitude— -1.76

distance— 197 light years

mass— 3-4 suns

radius— 100 suns

luminosity— 1,995 suns

Surface temperature— 3,842 degrees kelvin

Velocity of motion— .0372 miles/second

Movement in arcseconds/year— .1139 seconds/year

Direction on the unit circle— 323.85 degrees

parallax—16.52 milliarcseconds

Size in arcseconds— 1.652

Gravitational acceleration— 3 inches 18.6 millimeters/second^2

Escape velocity— 81.8 miles/second

age— greater than 392 million 700 thousand years old

lifespan—greater than 436 million 345 thousand years

Main sequence (prime of its life) lifespan— greater than 392 million 700 thousand years

Time left as a main sequence star—already left main sequence

When will this star die?— less than 43 million 645 thousand years

Fate of the star—planetary nebula, white dwarf

Stars name— yed prior delta ophiucus

Stellar class— M.5(3)

color— red

constellation— ophiucus

Apparent magnitude— 2.75

Absolute magnitude—-.9

distance— 171 light years

mass— 1.5 suns

radius— 59 suns

luminosity— 195.93 suns

Surface temperature—3,679 degrees kelvin

Velocity of motion— 1.2338 miles/second approach

Movement in arcseconds/year— .1429 seconds/year

Direction on the unit circle— 190.47 degrees

parallax—19.06 milliarcseconds

Size in arcseconds— 1.1245

Gravitational acceleration— 4 inches 15.12 millimeters/second^2

Escape velocity— 69.72 miles/second

age— greater than 3 billion 266 million years old

lifespan— greater than 3 billion 629 million years

Main sequence (prime of its life) lifespan— greater than 3 billion 266 million years

Time left as a main sequence star—already completed main sequence

When will this star die?— 363 million years

Fate of the star— planetary nebula, white dwarf

Stars name—menkar alpha ceti

Stellar class— M1.5(3)

color— red

constellation— cetus

Apparent magnitude— 2.53

Absolute magnitude—-3.2

distance— 249 light years

mass— 2.3 suns

radius— 89 suns

luminosity— 1,455 suns

Surface temperature—3,795 degrees kelvin

Velocity of motion— 16.1696 miles/second approach

Movement in arcseconds/year— .07685 seconds/year

Direction on the unit circle— 178.57 degrees

parallax—13.09 milliarcseconds

Size in arcseconds— 1.165

Gravitational acceleration— 3 inches 2.45 millimeters/second^2

Escape velocity— 70.3 miles/second

age— greater than 1 billion 122 million years old

lifespan— greater than 1 billion 247 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 122 million years

Time left as a main sequence star—already completed main sequence

When will this star die?— less than 124 million 700 thousand years

Fate of the star— planetary nebula, white dwarf

Stars name— propus eta geminorum

Stellar class— M2(3)/G

color— red

constellation— gemini

Apparent magnitude— 3.15/6

Absolute magnitude— -3.9/.67

distance— 380 light years

mass— 6.3 (originally an M2-8(5) star)/2.06/1.18 suns

radius— 153 suns

luminosity— 3,162/46.26 suns

Surface temperature—3,548 degrees kelvin

Velocity of motion—no information found

Movement in arcseconds/year— .01214 seconds/year

Direction on the unit circle— 257.8 degrees

parallax—8.48 milliarcseconds

Size in arcseconds— 1.297

Gravitational acceleration— 2 inches 22.1 millimeters/second^2

Escape velocity— 88.72 miles/second

age— greater than 511 million 425 thousand years old

lifespan— greater than 567 million 50 thousand years

Main sequence (prime of its life) lifespan— greater than 511 million 425 thousand years old

Time left as a main sequence star—already completed main sequence

When will this star die?— less than 56 million 750 thousand years

Fate of the star— planetary nebula, white dwarf

One set of stars—

Period 53.23 years

Distance 1.316 billion miles

Other set of stars—

Period 474 years

Distance 5.65 billion miles

Spectroscopic binary—

Period 2,983 days

Distance 371.916 million miles

Stars name— gacrux gamma crucis

Stellar class— M3.5(3)

color— red

constellation— crux

Apparent magnitude— 1.64

Absolute magnitude— -.52

distance— 88.6 light years

mass— 1.5 suns

radius— 84 suns

luminosity— 820 suns

Surface temperature—3,626 degrees kelvin

Velocity of motion—12.77 miles/second recession

Movement in arcseconds/year— .265 seconds/year

Direction on the unit circle— 266.78 degrees

parallax—36.83 milliarcseconds

Size in arcseconds— 3.094

Gravitational acceleration— 2 inches 6.78 millimeters/second^2

Escape velocity— 58.43 miles/second

age— greater than 3 billion 266 million years old

lifespan— greater than 3 billion 629 million years

Main sequence (prime of its life) lifespan— greater than 3 billion 266 million years old

Time left as a main sequence star—already completed main sequence

When will this star die?— less than 363 million years

Fate of the star— planetary nebula, white dwarf

This star is a red giant branch rather than an asymptotic giant branch red giant star.

Stars name— mira omicron ceti

Stellar class— M7(3)

color— red

constellation— cetus

Apparent magnitude— 6.57 (2-10.1)

Absolute magnitude— .99 (-2.82 to 5.28)

distance— 300 light years

mass— 1.18 suns

radius— 332 suns

luminosity— .66-1,148.55 suns

Surface temperature— 2,918 degrees kelvin

Velocity of motion— 39.56 miles/second recession

Movement in arcseconds/year— .2374 seconds/year

Direction on the unit circle— 97.5 degrees

parallax—10.87 milliarcseconds

Size in arcseconds— 3.622

Gravitational acceleration— 2.9 millimeters/second^2

Escape velocity— 16.16 miles/second

age— 6 billion years old

lifespan— 6 billion 611 million years

Main sequence (prime of its life) lifespan— 5 billion 950 million years

Time left as a main sequence star—already completed main sequence (left the main sequence 50 million years ago.)

When will this star die?— 661 million years

Fate of the star— planetary nebula, white dwarf

Binary star system with a red giant variable, Mira a, and a white dwarf, mira b. They are separated by 70 AU (6.61 billion miles) and have a period of 585.66 years. Mira a is a pulsating variable star, the first non supernova pulsating star discovered, with the possible exception of Algol. The period between pulses is 10,000 years, and when each pulse’s luminosity increases, the pulse grows stronger. Mira shed its 13 light year long tail 10s of thousands of years ago. The star is moving 130 kilometers/second (80.83 miles/second). Mira b could be a k type main sequence star of mass .7 suns.

                             Bright giant stars

Stars name— mintaka  delta orionis

Stellar class— O9.5(2)/B1(5)/B0(4)/B3(5)

constellation— orion

color— blue

Right ascension— 05 hours 32 minutes 00.40009 seconds

declination— 00 degrees 17 minutes 56.7242 seconds

Apparent magnitude— 2.23 (2.5/3.9)/4.93/3.63

Absolute magnitude— -5.8/-5.4/-2.9/-4.2

distance— 1,200 light years

mass— 24/8.4/22.5/9 suns

radius— 16.5/6.5/10.4/5.7 suns

luminosity— 190,000/16,000/63,000/3,300 suns

Surface temperature— 29,500 degrees kelvin

Velocity of motion— 11.47 miles/second recession

Movement in arcseconds/year— .00094 seconds/year

Direction on the unit circle— 313.85 degrees 

parallax—43.46 milliarcseconds

size— .0448 arc seconds

gravity— 78 feet 4.1 inches/second^2

Escape velocity— 326.94 miles/second

age— estimate greater than 3 million 544 thousand years old 

lifespan—greater than 3 million 898 thousand/48 million 899 thousand/28 million 669 thousand/128 million 918 thousand years

Main sequence (prime of its life) lifespan— greater than 3 million 544 thousand/44 million 10 thousand/25 million 800 thousand/116 million 30 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 354 thousand/4 million 890 thousand/2 million 867 thousand/12 million 892 thousand years

Fate of the star— supernova, black hole/planetary nebula, white dwarf/supernova, neutron star/planetary nebula, white dwarf

B1(5) orbit 5.73 days period and 5.83 million miles distance

B0(4) orbit 4.84 hours period and 65,689 miles distance (results ??)

Stars name— canopus alpha carinae

Stellar class— A9(2) (yellow bright giant star)

constellation— canis major

color— blue white

Right ascension— 06 hours 23 minutes 57.10988 seconds

declination— -52 degrees 41 minutes 44.3810 seconds

Apparent magnitude— -.74

Absolute magnitude— -5.71

distance— 310 light years

mass— 8 suns

radius— 71 suns

luminosity— 10,700 suns

Surface temperature— 6,998 degrees kelvin

Velocity of motion— 7.8 miles/second recession

Movement in arcseconds/year— .233 seconds/year

Direction on the unit circle— 49.38 degrees 

parallax—10.55 milliarcseconds

size— .747 arc seconds

gravity— 1 foot 10.59 inches/second^2

Escape velocity— 90.99 miles/second

age— estimate greater than 55 million 240 thousand old

lifespan—greater than 60 million 764 thousand years

Main sequence (prime of its life) lifespan— greater than 55 million 240 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 5 million 524 thousand years

Fate of the star—planetary nebula, white dwarf

canopus’ orbital distance extends is comparable to a distance all the way to the planet mercury.

There are no other stars closer than canopus more luminous, and it has been the brightest star during 3 epochs over the past 4 million years. 9000 years ago, Sirius became the brightest star and will remain so for another 210,000 years. In 480,000 years, will again become the brightest star, and will remain so for 510,000 years.

Stars name— adhara  epsilon canis majoris

Stellar class— B2(2)

constellation— canis major

color— blue

Right ascension— 06 hours 58 minutes 37.6 seconds

declination— -28 degrees 58 minutes 19 seconds

Apparent magnitude— 1.5/7.5

Absolute magnitude— -4.8/1.8

distance— 430.5 light years

mass— 12.6 suns

radius— 13.9 suns

luminosity— 38,700/154.8 suns

Surface temperature— 22,900 degrees kelvin

Velocity of motion— 16 miles/second recession

Movement in arcseconds/year— .00349 seconds/year

Direction on the unit circle— 41.05 degrees 

parallax—7.57 milliarcseconds

size— .1054 arc seconds

gravity— 57 feet 11.55 inches/second^2

Escape velocity— 258.09 miles/second

age— 19 million 900 thousand years-25 million 100 thousand old

lifespan—greater than 21 million 890 thousand years-27 million 610 thousand years

Main sequence (prime of its life) lifespan— greater than 19 million 900 thousand years-25 million 100 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 1 million 990 thousand years-2 million 510 thousand years

Fate of the star— supernova, neutron star

Adhara’s companion star is separated by 5.28 billion miles and has an orbital period of 427.79 years. 4.7 million years ago, it was the brightest star in the sky at magnitude -3.99.  no other star in the sky will exceed -3.99 magnitude for at least 5 million years. 4.7 million years ago, it was 34 light years away. This star is the brightest known ultraviolet source in the night sky.

Stars name— beta draconis rastaban

Stellar class— G2(2)

constellation— draco

color— yellow

Right ascension— 17 hours 30 minutes 25.96170 seconds

declination— 50 degrees 18 minutes 04.9993 seconds

Apparent magnitude— 2.79

Absolute magnitude— -2.28

distance— 380 light years

mass— 6 suns

radius— 40 suns

luminosity— 1,000 suns

Surface temperature— 5,160 degrees kelvin

Velocity of motion— 12.4 miles/second approach

Movement in arcseconds/year— .02 seconds/year

Direction on the unit circle— 142.3 degrees 

parallax—8.58 milliarcseconds

size— .343 arc seconds

gravity— 3 feet 4 inches/second^2

Escape velocity— 104.99 miles/second

age— 65 million years old

lifespan—greater than 71 million 500 thousand years

Main sequence (prime of its life) lifespan— greater than 65 million thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 6 million 500 thousand years

Fate of the star—planetary nebula, white dwarf

This star has a companion white dwarf star. The separation distance is 238.43 AU (22.17 billion miles) and has an orbital period of 4,000 years.

Stars name— omicron Scorpii

Stellar class— A4(2/3)

constellation— scorpius

color— blue white

Right ascension— 16 hours 20 minutes 38.18068 seconds

declination— -24 degrees 10 minutes 09.5491 seconds

Apparent magnitude— 4.74

Absolute magnitude— -4.0

distance— 900 light years

mass— 7.9 suns

radius— 15 suns

luminosity— 3,405 suns

Surface temperature— 8,128 degrees kelvin

Velocity of motion— 5.084 miles/second approach

Movement in arcseconds/year— .0148 seconds/year

Direction on the unit circle— 196.98 degrees 

parallax—3.71 milliarcseconds

size— .543 arc seconds

gravity— 31 feet 2.43 inches/second^2

Escape velocity— 196.73 miles/second

age— 34 million 900 thousand years-44 million 700 thousand years old

lifespan—greater than than 38 million 390 thousand years-49 million 170 thousand years

Main sequence (prime of its life) lifespan— greater than 34 million 900 thousand years-44 million 700 thousand years

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 3 million 490 thousand years-4 million 470 thousand years

Fate of the star—planetary nebula, white dwarf

Stars name— beta canis majoris

Stellar class— B8(2/3)

constellation— canis major

color— blue

Right ascension— 07 hours 03 minutes 45.49305 seconds

declination— -15 degrees 37 minutes 59.83 seconds

Apparent magnitude— 4.1

Absolute magnitude— -1.3

distance— 440 light years

mass— 3.74 suns

radius— 5.6 suns

luminosity— 310.54 suns

Surface temperature— 13,596 degrees kelvin

Velocity of motion— 19.84 miles/second recession

Movement in arcseconds/year— .01136 seconds/year

Direction on the unit circle— 170.79 degrees 

parallax—7.38 milliarcseconds

size— .0415 arc seconds

gravity— 105 feet 11.8 inches/second^2

Escape velocity— 221.53 miles/second

age— greater than 11 million 700-13 million 100 thousand years

lifespan—greater than 406 million 640 thousand years

Main sequence (prime of its life) lifespan— greater than 369 million 680 thousand years 

Time left as a main sequence star— star has already completed this phase of its lifetime (this star should still be a main sequence star.)

When will this star die?— less than 393 million 540 thousand-394 million 940 thousand years

Fate of the star—planetary nebula, white dwarf

Stars name— sargas  theta scorpii

Stellar class— F0(2)

constellation— scorpius

color— yellow white

Right ascension— 17 hours 37 minutes 19.12985 seconds

declination— -42 degrees 59 minutes 52.1808 seconds

Apparent magnitude— 1.84/5.36

Absolute magnitude— -2.71/.588

distance— 300 light years

mass— 5.66 suns

radius— 26/49.76 suns

luminosity— 1,834 suns

Surface temperature— 7,268 degrees kelvin

Velocity of motion— .868 miles/second recession

Movement in arcseconds/year— .00636 seconds/year

Direction on the unit circle— 330.61 degrees 

parallax—10.86 milliarcseconds

size— .2825 arc seconds

gravity— 7 feet 5.24 inches/second^2

Escape velocity— 126.48 miles/second

age— greater than 1 billion 960 million years

lifespan—greater than 2 billion 180 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 960 million years 

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 220 million years

Fate of the star—planetary nebula, white dwarf

This star has an oblate shape due to its very rapid spin. Its equator is 19% lager than at its poles. Theta Scorpio b, its companion, is separated from the primary star by 6.47 arc seconds, or 6.68 million miles, and has an orbital period of 7 days 21 hours 59 minutes.

Stars name— albireo beta cygni

Stellar class— K2(2)/B8/B8(5)

constellation— cygnus

color— orange

Right ascension— 19 hours 30 minutes 43.286 seconds

declination— 27 degrees 57 minutes 34.84 seconds

Apparent magnitude— 3.18/5,82/5.11

Absolute magnitude— -2.45/-.25/-.49

distance— 430 light years

mass— 14.52/3.84/3.7 suns

radius— 69/2.49/2.59 suns

luminosity— 816.85/107.67/134.46 suns

Surface temperature— 4,270/12,000/13,200 degrees kelvin

Velocity of motion— 14.92 miles/second approach

Movement in arcseconds/year— .00945 seconds/year

Direction on the unit circle— 224.87 degrees 

parallax—7.51 milliarcseconds

size— .523 arc seconds

gravity— 2 feet 8.523 inches/second^2

Escape velocity— 124.35 miles/second

age— greater than 554 million 539 thousand years (3rd star— 100 million years old)

lifespan—greater than 609 million 993 thousand years

Main sequence (prime of its life) lifespan— greater than 554 million 539 thousand years 

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 55 million 454 thousand years

Fate of the star—supernova, neutron star

One binary separation distance 24.89 million miles and period 50.568 days, and 1st and 3rd star separation distance 3 billion 326 million miles with period of orbit 213.859 years 

Stars name— matar eta pegasi

Stellar class— G2(2)/F0(5)

constellation— pegasus

color— yellow

Right ascension— 22 hours 43 minutes 00.13743 seconds

declination—30 degrees 13 minutes 16.4822 seconds

Apparent magnitude— 2.95

Absolute magnitude— -1.18

distance— 167 light years

mass— 3.82 suns

radius— 18 suns

luminosity— 247 suns

Surface temperature— 5,450 degrees kelvin

Velocity of motion— 2.67 miles/second recession

Movement in arcseconds/year— .01554 seconds/year

Direction on the unit circle— 170.24 degrees 

parallax—19.51 milliarcseconds

size— .2687 arc seconds

gravity— 10 feet 5.73 inches/second^2

Escape velocity— 124.88 miles/second

age— 240-300 million years old

lifespan—greater than 385 million 686 thousand years

Main sequence (prime of its life) lifespan— greater than 350 million 624 thousand years 

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 85 million 686 thousand-145 million 686 thousand years

Fate of the star—planetary nebula, white dwarf

Binary star system with a period of orbit 813 days and separation distance 7.91 AU, or 735.9 million miles. Eccentricity .183. 

Stars name— scheat beta pegasi

Stellar class— M2.5(2/3)

constellation— pegasus

color— red

Right ascension— 23 hours 03 minutes 46.45746 seconds

declination—28 degrees 04 minutes 58.0336 seconds

Apparent magnitude— 2.43

Absolute magnitude— -1.47

distance— 196 light years

mass— 2.1 suns

radius— 95 suns

luminosity— 329.76 suns

Surface temperature— 3,689 degrees kelvin

Velocity of motion— 5.394 miles/second recession

Movement in arcseconds/year— .0194 seconds/year

Direction on the unit circle— 3.97 degrees 

parallax—16.64 milliarcseconds

size— 1.58 arc seconds

gravity— 2.48 inches/second^2

Escape velocity— 40.3 miles/second

age— greater than 1 billion 565 million years

lifespan—greater than 1 billion 721 million years

Main sequence (prime of its life) lifespan— greater than 1 billion 565 million years 

Time left as a main sequence star— star has already completed this phase of its lifetime

When will this star die?— less than 156 million years

Fate of the star—planetary nebula, white dwarf

A semi regular variable star with a period of 43.3 days. This star is losing 10^-8 solar masses per year and has an expanding shell of mass and dust with a radius of 16 times the sun’s radius (13.824 million miles)

                         SUPERGIANT STARS

Stars name— RW cephei 

Stellar class— K2(0-1a)
location— constellation of Cepheus 

color— orange

Right ascension— 22 hours 23 minutes 07.01657 seconds 

declination— 55 degrees 57 minutes 47.6862 seconds Apparent magnitude— 6.0
Absolute magnitude— -8.0
distance—11,410 light years 

mass— 13.9 suns 

radius— 1,535 suns 

luminosity— 550,000 suns 

Surface temperature— 4,015 degrees kelvin 

Movement in arcseconds/year— .00382 arcseconds/ year 

Direction on the unit circle— 225.85 degrees 

parallax— .81 milliarcseconds/year 

color— .439 arc seconds

gravity— 1.6 millimeters/second^2

Escape velocity— 25.8 miles/second

age— 18 million 700 thousand years 

lifespan— greater than 20 million 570 thousand years 

Main sequence (prime of its life) lifespan— greater than 18 million 700 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 1 million 870 thousand years 

Fate of the star— supernova, neutron star 

Semi regular variable star with a period of 346 days with magnitude fluctuation of 6 to 7.3. its temperature is intermediate between a red super giant and a yellow hyper giant star. 

Stars name— HR5171 

Stellar class— K0(0-1a)/B0(1b) (note-there are 2 stars) 

location— constellation of Centaurus 

colors— orange/blue

Right ascension— 13 hours 47 minutes 10.875 seconds 

declination— -62 degrees 35 minutes 23.06 seconds Apparent magnitude— 6.1 to 7.5/9.13
Absolute magnitude— -9.2/-5.8
distance—11,700 light years 

mass— 27-36/2-20 suns
radius— 1,575/650 suns
luminosity— 630,000/206,000 suns
Surface temperature— 5,000/26,000 degrees kelvin 

Velocity through space— 23.684 miles/second approach 

Movement in arcseconds/year— .003885 arcseconds/ year 

Direction on the unit circle— 229.18 degrees 

parallax— 1.35 milliarcseconds

size— .4388/.18 arc seconds

gravity— 3.44/with mass=20-12.7 millimeters/second^2

Escape velocity— 38.34/47.55 miles/second

age— greater than 1 million 157 thousand-2 million 376 thousand/3 million 500 thousand years 

lifespan— greater than 1 million 286 thousand-2 million 640 thousand/3 million 850 thousand years 

Main sequence (prime of its life) lifespan— greater than 1 million 157 thousand-2 million 376 thousand years/3 million 500 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 129 thousand-264 thousand/385 thousand years

Fate of the star— supernova, black hole/supernova, neutron star 

This is one of the largest stars known. It is a contact binary with an orbital period of 1.304 days and a separation distance of 2.256 million miles. It has an initial mass of 32-40 suns

pz Cassiopeia

Stellar class— M3L
location— constellation of Cassiopeiae 

color— red

Right ascension— 23 hours 44 minutes 03.28104 seconds 

declination— 61 degrees 47 minutes 22.1823 seconds Apparent magnitude— 18.9
Absolute magnitude— -7.89
distance—9,160.6 light years 

mass— estimate 48.12 suns 

radius— 1,190 or 1,940 suns 

luminosity— 240,000-270,000 suns 

Surface temperature— 3,600 degrees kelvin 

Velocity through space— 28.32 miles/second approach 

Movement in arcseconds/year— .00546 arcseconds/ year 

Direction on the unit circle— 229.46 degrees 

parallax— .356 milliarcseconds

size— .4235-.69 arc seconds

gravity— 9.2 millimeters/second^2

Escape velocity— 54.51 miles/second

age— 8-10 million years 

lifespan— greater than 8 million 800 thousand years-11 million years 

Main sequence (prime of its life) lifespan— greater than 8-10 million years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 800,000-1 million years 

Fate of the star— supernova, neutron star 

This is a semi regular variable star.

Stars name— mu cephei  garnet star

Stellar class— M2(1a)
location— constellation of Cepheus 

color— red

Right ascension— 21 hours 43 minutes 30.4809 seconds 

declination— 56 degrees 46 minutes 48.166 seconds 

Apparent magnitude— 4.08 Absolute magnitude— -7.63 distance—5,000 light years mass— 19.2 suns 

radius— 1,260 suns 

luminosity— 283,000 suns 

Surface temperature— 3,750 degrees kelvin 

Velocity through space— no information found 

Movement in arcseconds/year— .00598 arcseconds/ year 

Direction on the unit circle— 331.21 degrees parallax— .55 milliarcseconds

size— .82152 arc seconds

gravity— 3.28 millimeters/second^2

Escape velocity— 33.46 miles/second

age— 9 million 100 thousand-10 million 100 thousand years 

lifespan— greater than 10 million 100 thousand years-11 million 100 thousand years 

Main sequence (prime of its life) lifespan— greater than 9 million 100 thousand years-10 million 100 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 1 million-1 million 10 thousand years 

Fate of the star— supernova, black hole

This star will evolve back to a blue supergiant star, then to a luminous blue variable or wolf rayed star before its core collapse. Its post red supergiant phase will be a type 2n/2b supernova or wolf rayed type 1b/1c supernova. It is one of the most luminous red supergiant stars in the milky way and one of the largest to be discovered. A spherical shell of ejected matter extends out to 6 arc seconds, or 1.8968 billion miles with an expansion velocity of 6.2 miles/second, and is 2000-3000 years old. For an age of 2000-3000 years old and an expansion rate of 6.2 miles/second, the shell would be 391.3-652.19 billion miles in diameter. 

Star’s name— IRC-10414

Stellar class— M7L
location— constellation of Scutum

color— red
Right ascension— 18 hours 23 minutes 17.90 seconds 

declination— -13 degrees 42 minutes 47.3 seconds 

Apparent magnitude— 12.0
Absolute magnitude— -8.18
distance—3,520 light years
mass— estimate 14.82 suns (initial mass 20-25 suns. Could be up to but less than 47.55 sun masses.)
radius— 1,200 suns 

luminosity— 160,000 suns 

Surface temperature— 3,300 degrees kelvin 

Velocity through space— 17.732 miles/second 

Movement in arcseconds/year— .00582 arcseconds/ year 

Direction on the unit circle— 16.5 degrees 

parallax— .5 milliarcseconds

size— 1.11 arc seconds

gravity— 2.79 millimeter/second^2

Escape velocity— 30.13 miles/second 

age— 6-10 million years 

lifespan— greater than 6 million 600 thousand years-11 million years 

Main sequence (prime of its life) lifespan— greater than 6 years-10 million years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 600 thousand-1 million years 

Fate of the star— supernova, neutron star 

A red supergiant with a bow shock is very rare. Betelgeuse and mu cephei are like this, but they are invisible. This is amongst the largest stars known.

Stars name— Betelgeuse (alpha orionis) 

Stellar class— M1-2(1a-1ab) 

location— constellation of Orion 

color— red

Right ascension— 05 hours 55 minutes 10.30536 seconds 

declination— 07 degrees 24 minutes 25.4304 seconds Apparent magnitude— .5
Absolute magnitude— -5.85
distance—723.72 light years 

mass— 7.7-16.6 suns  (11.6)

radius— 887 suns 

luminosity— 90,000-150,000 suns
Surface temperature— 3,590 degrees kelvin 

Velocity through space— 13.5842 miles/second recession 

Movement in arcseconds/year— .0297 arcseconds/ year 

Direction on the unit circle— 19.97 degrees 

parallax— 4.51 milliarcseconds 

size— 3.995 arc seconds

gravity— .66-1.425 millimeters/second^2

Escape velocity— 25.26-37.08 miles/second 

age— 8 million-8 million 500 thousand years 

lifespan— greater than 8 million 800 thousand years-9 million 350 thousand years (9 million 75 thousand years)

Main sequence (prime of its life) lifespan— greater than 8 years-8 million 500 thousand years 

Time left as a main sequence star— has completed this phase of its life (left the main sequence 1 million years ago when it was 8 million 75 thousand years old.)

When will this star die?— less than 907,500 years  (entered the super giant phase of its life 40,000 years ago when it was 9 million 115 thousand years old.) from a red super giant star, it will be briefly a yellow super giant star, then explode as a blue super giant or a wolf rayed star. It could explode at any time and reach an apparent magnitude of -10 to -12.4. will explode in 100,000-1,000,000 years.

Fate of the star— type 2p supernova, neutron star, 2 x 10^46 joules of neutrinos and kinetic energy 2 x 10^44 joules (could supernova any time, reaching apparent magnitude -10 to -12.4, .83-10.97 times fainter than a full moon, 75.76-691 times brighter than venus, and 2,292-20,906 times brighter than Sirius.) It is the nearest star to us which is a supernova candidate.

It is so large that it would reach out past the orbit of jupiter. Its rotation time is 8.4 years. It could contain 1.6 billion to 2 trillion earths.  It is losing 1 solar mass every 10,000 years. 

Stars name— antares a 

Stellar class— M1.5(ab-ab)/B2.5(5) 

location— constellation of scorpius 

color— red/blue white green

Right ascension— 16 hours 29 minutes 24.45970 seconds 

declination— -25 degrees 25 minutes 55.2094 seconds 

Apparent magnitude— .6 to 1.6/5.5

Absolute magnitude— -5.28/-.895
distance—550 light years
mass— 12 (11-14.3)/7.2 suns
radius— 680/5.2 suns
luminosity— 97,700 (10,000 in visible)/195 suns
Surface temperature— 3,570/18,500 degrees kelvin
Velocity through space— 2.108 miles/second approach Movement in arcseconds/year— .026 arcseconds/year Direction on the unit circle— 207.46 degrees parallax— 5.89 milliarcseconds

 size— 4.03 arc seconds

gravity— 7.03 millimeters/second^2

Escape velocity— 36.01 miles/second

age— 10 million 900 thousand years-11 million 300 thousand years 

lifespan— greater than 11 million 990 thousand years-12 million 430 thousand years 

Main sequence (prime of its life) lifespan— greater than 10 million 900 thousand years-11 million 300 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 1 million 90 thousand years-1 million 130 thousand years (100,000 years)

Fate of the star— supernova, neutron star 

4th nearest supernova candidate star. 

Size reaches out to between mars and jupiter.

Progenitor star 17 sun masses with an age of 12 million years, or 15 suns and age 11-15 million years

Separation of binary stars 2.86 arc seconds, or 529 Au (49.197 billion miles) and an orbital period of 12,167 years

Stars name— deneb Alpha cygni 

Stellar class— A2(1a)
location— constellation of cygnus

color— blue white
Right ascension— 20 hours 41 minutes 25.9 seconds declination— 45 degrees 16 minutes 49 seconds Apparent magnitude— 1.25
Absolute magnitude— -8.38 

distance—2,614.52 light years 

mass— 19 suns (15-23 suns)

radius— 203 suns 

luminosity— 190,000 suns (196,000 suns)

Surface temperature— 8,526 degrees kelvin 

Velocity through space— 2.79 miles/second approach 

Movement in arcseconds/year— .002786 secseconds/ year 

Direction on the unit circle— 44.42 degrees 

parallax— 2.29 milliarcseconds 

size— .253 arc seconds

gravity— 4.92 inches/second^2

Escape velocity— 82.93 miles/second

age— estimate over 5 million 720 thousand years 

lifespan—greater than 6 million 355 thousand years 

Main sequence (prime of its life) lifespan— greater than 5 million 720 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 636 thousand years 

Fate of the star— supernova, neutron star 

Deneb is one of the largest white stars. It loses 8+/-3 x 10^-7 solar masses/year, or a sun’s mass every 100,000 years, and an earth mass every 500 years. Much of its early life was a type O star at mass 23 suns. It will eventually become an M1a star, and within a few million years, a supernova.

Stars name— LBV 1806-20 

Stellar class— O9-B2
location— constellation of sagittarius

color— blue
Right ascension— 18 hours 08 minutes 14.31 seconds 

declination— -20 degrees 24 minutes 41.1 seconds 

Apparent magnitude— 3.79
Absolute magnitude— -10.92
distance—40,000 light years
mass— 36 suns 

radius— 200 suns 

luminosity— 2 million suns 

Surface temperature— 18,000-32,000 degrees kelvin 

Velocity through space—no information found 

Movement in arcseconds/year— no information found 

Direction on the unit circle— no information found 

parallax— .115 milliarcseconds 

size—.02299 arc seconds

gravity— 9.6 inches/second^2

Escape velocity— 115.01 miles/second

age— 3 million years-4 million 500 thousand years 

lifespan—greater than 3 million 300 thousand years-4 million 495 thousand years 

Main sequence (prime of its life) lifespan— greater than 3 million years-4 million 500 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 300 thousand years, or at any time 

Fate of the star— supernova, black hole

 

Stars name— epsilon aurigae almaaz

Stellar class— F0(1ab)/B5(5)

location— constellation of auriga 

color— white

Right ascension— 05 hours 01 minutes 58.13245 seconds 

declination— 43 degrees 49 minutes 23.9059 seconds 

Apparent magnitude— 2.98
Absolute magnitude— -9.1 

distance—2,129-4,890 light years (2,000 light years) 

mass— 15 (2.2-15)/6-14 suns 

radius— 143-358/3.9 suns 

luminosity— 373,483 suns 

Surface temperature— 7,750/15,000 degrees kelvin 

Velocity through space— 1.55 miles/second approach 

Movement in arcseconds/year— .0028 arcseconds/ year 

Direction on the unit circle— 197.92 degrees parallax— .115 milliarcseconds

size— .095-.548 arc seconds

gravity— 1.25-7.82 inches/second^2

Escape velocity— 66.33 miles/second 

age— estimate less than 11 million 480 thousand years 

lifespan—greater than 11 million 480 thousand years 

Main sequence (prime of its life) lifespan— greater than 10 million 328 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 152,000 years 

Fate of the star— supernova, neutron star 

The orbital period of this binary star system is 9.896 days with a separation distance of 8.389 million miles (??)

Stars name— WR 102ka peony star
Stellar class— OFpe/Wn9
location— constellation of sagittarius

color— blue
Right ascension— 17 hours 46 minutes 18.12 seconds 

declination— -29 degrees 01 minutes 36.5 seconds 

Apparent magnitude— 10.64
Absolute magnitude— -11.43
distance—26,000 light years
mass— 100 suns
radius— 92 suns
luminosity— 3.2 million suns
Surface temperature— 25,100 degrees kelvin
Velocity through space— no information found 

Movement in arcseconds/year— no information found 

Direction on the unit circle— no information found 

parallax— .125 milliarcseconds 

size— .011535 arc seconds

gravity— 10 feet 6 inches/second^2

Escape velocity— 282.62 miles/second

age— greater than 3 million years 

lifespan—greater than 3 million 300 thousand years 

Main sequence (prime of its life) lifespan— greater than 3 years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 300 thousand years 

Fate of the star— supernova, black hole 

This star is one of several candidates for the most luminous star known.

WR25 is even more luminous.

Stars name— polaris alpha ursae minoris 

Stellar class— F7(1b)/F6(5)/F3(5)
location— constellation of ursa minor

color— white
Right ascension— 02 hours 31 minutes 49.09 seconds 

declination— 89 degrees 15 minutes 50.8 seconds 

Apparent magnitude— 1.98/9.2/8.7
Absolute magnitude— -3.63/3.6/3.1
distance—323-433 light years (433.8 light years)
mass— 5.4/1.26/1.39 suns 

radius— 37.5/1.04/1.38 suns 

luminosity— 2,356/3.11/4.92 suns 

Surface temperature— 6,015/6,816/7,004 degrees kelvin 

Velocity through space— 10.54 miles/second approach 

Movement in arcseconds/year—.046 arcseconds/year 

Direction on the unit circle—345.08 degrees 

parallax— 7.54 milliarcseconds 

size— .2823-.3785 arc seconds

gravity— 3 feet 4.95 inches/second^2

Escape velocity— 102.87 miles/second

age— 70 million years (all 3 stars)

lifespan—greater than 77 million years 

Main sequence (prime of its life) lifespan— greater than 69 million 300 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 7 million years 

Fate of the star— planetary nebula, white dwarf 

This is the north pole star.

Stars name— alnilam epsilon orionis 

Stellar class— B0(1a)
location— constellation of orion

color— blue
Right ascension— 05 hours 36 minutes 12.8 seconds 

declination— -01 degrees 12 minutes 06.9 seconds 

Apparent magnitude— 1.7
Absolute magnitude— -6.89
distance—1,344 light years
mass— 40 suns (30-64.5 suns)
radius— 32.4 suns 

luminosity— 537,000 suns (275,000-832,000 suns)

Surface temperature— 27,500 degrees kelvin 

Velocity through space—16.06 miles/second recession 

Movement in arcseconds/year—.00183 arcseconds/year 

Direction on the unit circle—324.57 degrees 

parallax— 1.65 milliarcseconds 

size— .0528 arc seconds

gravity— 33 feet 10.34 inches/second^2

Escape velocity— 301.2 miles/second

age— 5 million 700 thousand years 

lifespan—greater than 6 million 270 thousand years 

Main sequence (prime of its life) lifespan— greater than 5 million 700 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 570 thousand years 

Fate of the star— supernova, black hole 

Stars name— rigel beta orionis 

Stellar class— B8(1a)/B9(5)/B9(5) location— constellation of orion 

color— blue

Right ascension— 05 hours 14 minutes 32.2721 seconds 

declination— -08 degrees 12 minutes 05.8981 seconds 

Apparent magnitude— .13/6.67
Absolute magnitude— -7.84/-2.99
distance—860 light years 

mass— 23 (18)/3.84/2.94 suns 

radius— 78.9/approximately 6 for other 2 stars suns 

luminosity— 117,017 (120,000-279,000)/1,348.5 suns 

Surface temperature— 12,100/14,500 degrees kelvin 

Velocity through space—12 miles/second recession 

Movement in arcseconds/year—.0014 arcseconds/year 

Direction on the unit circle—20.89 degrees 

parallax— 3.78 milliarcseconds 

size— .3 arc seconds

gravity— 3.28 feet/second^2

Escape velocity— 146.36 miles/second

age— 7-9 million years 

lifespan—greater than 7 million 700 thousand years-9 million 900 thousand years 

Main sequence (prime of its life) lifespan— greater than 7 million years-9 million years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 700 thousand years, or any time 

Fate of the star— type 2 supernova, black hole 

Rigel is an alpha cygni variable star. It is one of the closest possible supernova candidate stars. Stellar winds reach velocity of 186.41 miles/second.

The periods of these stars are: 9.86 days, 18,000 years, 63 years, and separation distances of: 8.57 million, 59.836 billion, 1.43 billion miles

Stars name— alnitak zeta orionis

Stellar class—O9.5(1ab)/B1(4)/B0(3)
location— constellation of orion

color— blue
Right ascension— 05 hours 40 minutes 40.52666 seconds 

declination— -01 degrees 56 minutes 34.2649 seconds 

Apparent magnitude— 1.77/4.04/3.84
Absolute magnitude— -6.0/-3.9/-4.1
distance—1,260 light years
mass— 33 suns
radius— 20 suns 

luminosity— 250,000/3,106/3,734 suns 

Surface temperature— 29,500/29,000 degrees kelvin 

Velocity through space—11.47 miles/second recession 

Movement in arcseconds/year—.00378 arcseconds/year 

Direction on the unit circle—32.47 degrees 

parallax— 5.02 milliarcseconds 

size— .05175 arc seconds

gravity— 77.316 feet/second^2

Escape velocity— 348.21 miles/second

age— 6 million 400 thousand/7 million 200 thousand/7 million years 

lifespan—greater than 7 million 40 thousand/7 million 920 thousand/7 million 700 thousand years 

Main sequence (prime of its life) lifespan— greater than 6 million 336 thousand/7 million 200 thousand/7 million years

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 640 thousand/720 thousand/700 thousand years 

Fate of the star— supernova, black hole 

Stars name— saiph kappa orionis 

Stellar class— B8(1a) 

location— constellation of orion 

color— blue

Right ascension— 05 hours 47 minutes 45.36884 seconds 

declination— -09 degrees 40 minutes 10.5777 seconds 

Apparent magnitude— 2.09
Absolute magnitude— -6.1
distance—650 light years 

mass— 15.5 suns 

radius— 22.2 suns 

luminosity— 56,881 suns 

Surface temperature— 26,500 degrees kelvin 

Velocity through space—12.4 miles/second recession 

Movement in arcseconds/year—.00194 arcseconds/year 

Direction on the unit circle—318.76 degrees 

parallax— 5.02 milliarcseconds 

size— .111 arc seconds

gravity— 27 feet 11.39 inches/second^2

Escape velocity— 226.51 miles/second

age— 10 million 600 thousand-11 million 600 thousand years 

lifespan—greater than 11 million 660 thousand years-12 million 740 thousand years 

Main sequence (prime of its life) lifespan— greater than 10 million 494 thousand years-11 million 484 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 1 million 60 thousand years-60 thousand years 

Fate of the star— supernova, neutron star

Mass lose from stellar winds 9 x 10^-7 solar masses/year, and is equal to 1 solar mass every 1.1 million years

Stars name— V838 monocerotis 

Stellar class— M6.3L/B3(5)
location— constellation of monoceros

color— red
Right ascension— 07 hours 04 minutes 04.85 seconds 

declination— -03 hours 50 minutes 50.1 seconds 

Apparent magnitude— 6.75 to 15.6
Absolute magnitude— -5.61 (-9.8 maximum)
distance—19,886 light years
mass— estimate 25.77/5-10 suns

radius— 380 (1,570 maximum) suns 

luminosity— 15,000 (1 million)suns 

Surface temperature— 3,270 degrees kelvin 

Velocity through space— no information found 

Movement in arcseconds/year— no information found 

Direction on the unit circle— no information found 

parallax—.164 milliarcseconds

size— .257323 arc seconds

gravity— 2.83 millimeters/second^2

Escape velocity— 34.73 miles/second

age— 4 million years 

lifespan— greater than 4.4 million years 

Main sequence (prime of its life) lifespan— greater than 4 million years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 400 thousand years 

Fate of the star— supernova, black hole 

One of the most luminous stars known. Opaque ejected dust completely engulfed b type companion star.

                    hypergiant stars

Stars name— pistol star (most massive and luminous star known)

Stellar class— LBV blue hyper giant star
location— constellation of sagittarius

color— red
Right ascension— 17 hours 46 minutes 15.3 seconds 

declination— -28 degrees 50 minutes 04 seconds 

Apparent magnitude— more than 28 (magnitude 4 without dust and gas between us and the star)
Absolute magnitude— -10.68
distance—26,080 light years
mass— 27.5 suns (at first, over 100 suns)

radius— 306 suns 

luminosity— 1.6 million suns 

Surface temperature— 11,800 degrees kelvin 

Velocity through space— 80.6 miles/second recession 

Movement in arcseconds/year— .026 arcseconds/year

Direction on the unit circle—no information found 

parallax—.125 milliarcseconds

size— .03825 arc seconds

gravity— 3.13 inches/second^2

Escape velocity— 81.27 miles/second

age— 4 million years 

lifespan— greater than 4.4 million years 

Main sequence (prime of its life) lifespan— greater than 4 million years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 400 thousand years (could be as much as 1-3 million years)

Fate of the star— supernova, black hole 

One of the most luminous stars in the milky way galaxy. It is one of the many massive young stars in the quintuplet cluster in our galactic center. It was discovered in the 1990s by the Hubble space telescope. It ejected almost 10 solar masses in giant outbursts 4,000-6,000 years ago. It emits more energy in 20 seconds than the sun does in 1 year.

Stars name— eta carinae 

Stellar class— O class star (note-there are 2 stars) it was an O2f star when it formed with a mass greater than 150 suns.

location— constellation of carina 

color— blue luminous blue variable star

Right ascension— 10 hours 45 minutes 03.591 seconds 

declination— -59 degrees 41 minutes 04.26 seconds 

Apparent magnitude— 7.6 to -1.0
Absolute magnitude— -8.6
distance—7,500 light years 

mass— 100-200/30-80 suns (initially 150-250 suns. It lost 30 solar masses.)

radius— 60-800/14.3-23.6 suns
luminosity— 5 million/less than 1 million suns 

Surface temperature— 9,400-35,200/37,200 degrees kelvin 

Velocity through space— 15.5 miles/second approach 

Movement in arcseconds/year— .00767 secseconds/ year 

Direction on the unit circle— 172.5 degrees parallax— .435 milliarcseconds 

size— maximum .3477 arc second

gravity— 1.67 inches/second^2

Escape velocity— 95.84 miles/second

age— less than 3 million years (note—all time spans for these stars are this and the following there figures.) 

lifespan— greater than 3.3 million years 

Main sequence (prime of its life) lifespan— greater than 4 million years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— greater than 300 thousand years 

Fate of the star— supernova/hypernova, black hole (will reach -4 magnitude)

It was brighter than the star rigel in the great eruption of 1837. From march 11-14, 1843, it was the 2nd brightest star. It went below naked eye visibility after 1856. It is the only star known to emit ultraviolet radiation. 260.4-1,984 miles/second velocity .001 solar mass loss/year. The great eruption of 1837 had a mass loss of 10 solar masses/year with 10-20 solar masses lost.

Stars name— V382 Carinae 

Stellar class— G0-4(1a) yellow hyper giant
location— constellation of carina

color— yellow
Right ascension— 11 hours 08 minutes 35.39 seconds 

declination— -58 degrees 58 minutes 31.1 seconds 

Apparent magnitude— 3.93
Absolute magnitude— -9.0
distance—8,900 light years
mass— 20 suns 

radius— 600-1,100 or 450-900 suns 

luminosity— 316,000 suns 

Surface temperature— 5,866 degrees kelvin 

Velocity through space— 3.72 miles/second recession 

Movement in arcseconds/year— .00524 arcseconds/ year 

Direction on the unit circle— 161.43 degrees 

parallax— .52 milliarcseconds 

age— 6 million 800 thousand years 

lifespan— greater than 7 million 480 thousand years 

Main sequence (prime of its life) lifespan— greater than 6 million 800 thousand years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 680 thousand years 

Fate of the star— supernova, neutron star 

Easily the brightest hyper giant star in the night sky and easily visible to the naked eye. This is a variable star of low amplitude.

Stars name— westerlund 1-26 

Stellar class— K2(1a) orange hyper giant star

location— constellation of ara 

color— orange

Right ascension— 18 hours 47 minutes 05.403 seconds 

declination— -45 degrees 50 minutes 36.76 seconds 

Apparent magnitude— 17.194 (11.45 without dust)
Absolute magnitude— -10.17
distance—11,500 light years 

mass— estimate 68.18 suns 

radius— 2,000 suns (2,550 suns)

luminosity— 1,100,000 suns 

Surface temperature— 3,600 degrees kelvin 

parallax— .000283 milliarcseconds

size— .723 arc seconds

gravity— 2.84 millimeters/second^2

Escape velocity— 46.18 miles/second

age— 3 million 500 thousand-5 million years 

lifespan— greater than 3 million 850 thousand-5 million 500 thousand years 

Main sequence (prime of its life) lifespan— greater than 3.85-5.5 million years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 350 thousand-500 thousand years 

Fate of the star— supernova, neutron star 

Volume of star 3.6-16.6 billion suns. If it were placed where the sun is, it would engulf saturn.

Stars name— NML cygni 

Stellar class— M6L red hyper giant
location— constellation of Cygnus

color— red
Right ascension— 20 hours 46 minutes 25.54 seconds 

declination— 40 degrees 06 minutes. 59.45 seconds 

Apparent magnitude— 16.06
Absolute magnitude— -8.76
distance—5,248.6 light years
mass— 50 suns 

radius— 1,640 suns 

luminosity— 272,000 suns 

Surface temperature— 3,834 degrees kelvin 

Movement in arcseconds/year— .00459 arcseconds/ year 

Direction on the unit circle— 190.75 degrees 

parallax— .62 milliarcseconds/year 

size—1.02 arc seconds

gravity— 5 millimeters/second^2

Escape velocity— 47.33 miles/second

age— 8 million years 

lifespan— greater than 9 million 680 thousand years 

Main sequence (prime of its life) lifespan— greater than 8 million years 

Time left as a main sequence star— has completed this phase of its life 

When will this star die?— less than 1 million 680 thousand years 

Fate of the star— supernova, black hole

Contains the volume of 1.6-21.4 billion suns. One of the largest stars currently known.

                                                   WHITE DWARF STARS

                       

Stars name— sirius b

location— canis major

color— white

Right ascension— 06 hours 45 minutes 9.0 seconds

Declination— -16 degrees 43 minutes 6 seconds

Stellar class— DA2 (began as spectral type B4-5)

Apparent magnitude— 8.44

Absolute magnitude— 11.18

distance—8.6 light years

mass— 1.018 suns (began as mass of 5 suns)

radius— .0084 suns

luminosity— .00288 suns

Surface temperature— 25,200 degrees kelvin

Velocity of motion—no information found

Movement in arcseconds/year— no information found

Direction on the unit circle—no information found

parallax— 379.07 milliarcseconds/year

Size of star— .003184 arcseconds

age— 220-238 million years

lifespan— 101-126 million years

Main sequence (prime of its life) lifespan— 90 million 900 thousand-113 million 400 thousand years

Time left as a main sequence star—n/a

When will this star die?— died 10 million 100 thousand-12 million 600 thousand years after its main sequence lifetime

Fate of the star— planetary nebula, white dwarf

Stars name— WD B1620-26

location— scorpius

color— white

Right ascension— 16 hours 23 minutes 38.2218 seconds

Declination— -26 degrees 31 minutes 53.769 seconds

Stellar class— DB white dwarf

Apparent magnitude— 21.3

Absolute magnitude— 8.4

distance—12,400 light years

mass— .34 suns

radius— .0000177 suns

luminosity— .03735 suns

Surface temperature—no information found

Velocity of motion—no information found

Movement in arcseconds/year— no information found

Direction on the unit circle—no information found

parallax— .008064 milliarcseconds/year

Size of star— .0001428 arcseconds

age— 13 billion years

lifespan—no information found

Main sequence (prime of its life) lifespan— no information found

Time left as a main sequence star—no information found

When will this star die?— no information found

Fate of the star— planetary nebula, white dwarf

Stars name— GJ440

location— musca

color— white

Right ascension— 11 hours 45 minutes 42.9205 seconds

Declination— -64 degrees 50 minutes 29.459 seconds

Stellar class— DQ6

Apparent magnitude— 11.5

Absolute magnitude— 13.17

distance— 15.11 light

mass— .75 suns

radius— .00464 suns

luminosity— .0005 suns

Surface temperature— 8,500 degrees kelvin

Velocity of motion—no information found

Movement in arcseconds/year— no information found

Direction on the unit circle—no information found

parallax— 215.75 milliarcseconds/year

Size of star— .001 arcseconds

age— 1 billion 440 million years (as a white dwarf)

lifespan— no information found

Main sequence (prime of its life) lifespan— no information found

Time left as a main sequence star—n/a

When will this star die?— no information found

Fate of the star— planetary nebula, white dwarf

Stars name— Wolf489

location— virgo

color— white

Right ascension— 13 hours 36 minutes 31.81 seconds

Declination— 03 degrees 40 minutes 45 seconds

Stellar class— DZ10.0

Apparent magnitude— 14.66

Absolute magnitude— 15.08

distance— 26.9 light

mass— .55 suns

radius— .013 suns

luminosity— .0000794 suns

Surface temperature— 5,030 degrees kelvin

Velocity of motion—no information found

Movement in arcseconds/year— 3.88 arcseconds/year

Direction on the unit circle— 252.77 degrees

parallax— 121.4 milliarcseconds/year

Size of star— .001576 arcseconds

age— 5 billion 190 million years

lifespan— no information found

Main sequence (prime of its life) lifespan— no information found

Time left as a main sequence star—n/a

When will this star die?— no information found

Fate of the star— planetary nebula, white dwarf

Stars name— procyon b

location— canis minor

color— white

Right ascension— 07 hours 39 minutes 18.1195 seconds

Declination— 05 degrees 13 minutes 29.9552 seconds

Stellar class— DQZ

Apparent magnitude— 10.7

Absolute magnitude— 13

distance— 11.3 light

mass— .99984 suns

radius—.997 suns

luminosity— .0000539 suns

Surface temperature— 5,030 degrees kelvin

Velocity of motion—1.984 miles/second approach

Movement in arcseconds/year— 7.22 arcseconds/year

Direction on the unit circle— 180.04 degrees

parallax— 284.56 milliarcseconds/year

Size of star— .2876 arcseconds

age— 1 billion 370 million years

lifespan— no information found

Main sequence (prime of its life) lifespan— no information found

Time left as a main sequence star—n/a

When will this star die?— no information found

Fate of the star— planetary nebula, white dwarf

Stars name— van maanen’s star

location— pisces

color— white

Right ascension— 00 hours 49 minutes 09.90175 seconds

Declination— 05 degrees 23 minutes 19.0117 seconds

Stellar class— DQ8

Apparent magnitude— 12.374

Absolute magnitude— 14.23

distance— 13.87 light

mass— .68 suns

radius—.011 suns

luminosity— .000174 suns

Surface temperature— 6,220 degrees kelvin

Velocity of motion—21.1 miles/second approach

Movement in arcseconds/year— 2.98 arcseconds/year

Direction on the unit circle— 294.54 degrees

parallax— 234 milliarcseconds/year

Size of star— .002585 arcseconds

age— 3 billion 130 million years

lifespan— no information found

Main sequence (prime of its life) lifespan— no information found

Time left as a main sequence star—n/a

When will this star die?— no information found

Fate of the star— planetary nebula, white dwarf

NEUTRON STARS

Stars name— crab nebula

location— taurus

Stellar class— supernova remnant originating from a star with left a pulsar (neutron star)

Apparent magnitude— 16.5 (supernova seen in the sky in 1054 AD when supernova blew up was magnitude -4.5 to -7.)

Absolute magnitude— 4.79 (type 2 supernova reached absolute magnitude of -16 to -18.)

distance— 7,172 light

mass— 1.4 suns (progenitor star was mass 9-11 suns—- O spectral type star.)

radius—.00001429 suns (about 6 miles in diameter)

luminosity— 1.1 suns (supernova reached 216.2 million to 2.16 billion suns.)

Surface temperature— center— 300 million degrees kelvin; surface— 1.6 million degrees kelvin

Velocity of motion—14.37 miles/second

Movement in arcseconds/year— .0148 arcseconds/year

Direction on the unit circle— 171.39 degrees

parallax— .5454 milliarcseconds/year

Size of star— .00000000325 arcseconds

gravity— 1.154 billion miles/second^2

Escape velocity— 84,848.99 miles/second

Period of rotation of neutron star— 30.3 times/second

Weight of a teaspoon of the star— less than 36.56 billion/tons

age— 8,136 years for the remnant, less than 24 million 918 thousand years for the progenitor star

lifespan—star lived  for less than 24 million 918 thousand years

Main sequence (prime of its life) lifespan— was less than 8 million 789 thousand years

Time left as a main sequence star—star has ended its lifetime

When will this star die?— star has already died

Fate of the star— supernova, neutron star

BLACK HOLE

Stars name— typical stellar sized black hole

Stellar class— supernova remnant originating from a star with left a black hole (progenitor star stellar class O)

mass— 1.4 suns (progenitor star was mass greater than 19 suns)

radius—no more than 5.58 miles in diameter

gravity— 5.65 billion miles/second^2

Escape velocity— 186,282 miles/second

Period of rotation of neutron star— 30.3 times/second

Weight of a teaspoon of the star— 41.162 billion/tons

age— 8,136 years for the remnant, less than 9 million 766 thousand years for the progenitor star of 20 sun masses

lifespan—star lived  for less than 9 million 766 thousand years

Main sequence (prime of its life) lifespan— was less than 8 million 789 thousand years

Time left as a main sequence star—star has ended its lifetime

When will this star die?— star has already died

Fate of the star— supernova, black hole

Black hole the mass of the earth

Size black hole— 19.234 millimeters in diameter

gravity— 2.4 x 10^45 miles/second^2

Escape velocity— 5.433 trillion miles/second

weight per teaspoon– 1.998 x 10^15 tons

Black hole the mass of the 1.44 suns

Size black hole— grain of sand in diameter

gravity— 4.22 x 10^24 miles/second^2

Escape velocity— 6.64 million miles/second

weight per teaspoon– 8.07 x 10^32 tons

 

 

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