List of largest known stars - AbsoluteAstronomy.com

Below is a list of the largest known star

Star

A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...

s by radius

Radius

In classical geometry, a radius of a circle or sphere is any line segment from its center to its perimeter. By extension, the radius of a circle or sphere is the length of any such segment, which is half the diameter. If the object does not have an obvious center, the term may refer to its...

. The unit of measurement used is the radius of the Sun (approximately 695,500 kilometers, or 432,450 miles).

The exact order of this list is not complete yet, nor is it perfectly defined:

There are sometimes high uncertainties in derived values and sizes.
The distances to most of these stars are uncertain to differing degrees and this uncertainty affects the size measurements.
Several large stars have extended atmospheres, are embedded in mostly opaque dust shells or disks, and pulsate, such that determining their radii is not well defined. Estimates for VV Cephei A are especially uncertain.Size, mass and luminosity estimates of the VV Cephei system are all considerably uncertain due to insufficient knowledge: Professor Kaler writes "in truth we really do not know". Its distance cannot be measured from parallax, instead it is derived from its assumed membership in the Cepheus OB2 association, but this is also not certain. Other methods give a range of sizes between 1,000 and 2,200 that of the Sun, but these too are confounded by the fact that the star is not spherical, which leads to overestimates. (J. Kaler)

List

**List of the largest stars**
Star name	Solar radii (Sun Sun The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields... = 1)	Notes
VY Canis Majoris VY Canis Majoris VY Canis Majoris is the largest known star and also one of the most luminous. Located in the constellation Canis Major, it is a red hypergiant, between 1800 and 2100 solar radii, 8.4–9.8 astronomical units in radius, about 3.0 billion km or 1.9 billion miles in diameter, and about 1.5 kiloparsecs ...	1,800–2,100	Once thought to be a star so large that it contradicted stellar evolution Stellar evolution Stellar evolution is the process by which a star undergoes a sequence of radical changes during its lifetime. Depending on the mass of the star, this lifetime ranges from only a few million years to trillions of years .Stellar evolution is not studied by observing the life of a single... ary theory, improved measurements have brought it down to size
VV Cephei A VV Cephei VV Cephei, also known as HD 208816, is an eclipsing binary star system located in the constellation Cepheus, approximately 2,400 light years from Earth.Size, mass and luminosity estimates are all considerably uncertain due to insufficient knowledge of the Cephei star system: Professor Kaler writes...
V838 Monocerotis V838 Monocerotis V838 Monocerotis is a red variable star in the constellation Monoceros about 20,000 light years from the Sun, and possibly one of the largest known stars. The previously unknown star was observed in early 2002 experiencing a major outburst. Originally believed to be a typical nova eruption, it...
Mu Cephei Mu Cephei Mu Cephei , also known as Herschel's Garnet Star, is a red supergiant star in the constellation Cepheus. It is one of the largest and most luminous stars known in the Milky Way... (Herschel William Herschel Sir Frederick William Herschel, KH, FRS, German: Friedrich Wilhelm Herschel was a German-born British astronomer, technical expert, and composer. Born in Hanover, Wilhelm first followed his father into the Military Band of Hanover, but emigrated to Britain at age 19... 's "Garnet Star")	1,650
WOH G64 WOH G64 WOH G64 is a red hypergiant in the Large Magellanic Cloud. With 2000 times the radius of the Sun, it is one of the largest known stars.The size of WOH G64 is estimated at 2,785,000,000 km, or 1,900-2,000 solar radii.-See also:...	1,540
V354 Cephei V354 Cephei V354 Cephei is a red supergiant star located within the Milky Way. It is an irregular variable located approximately 9,000 light-years away from our Sun, and is currently considered one of the largest known stars, with a radius estimate of 1520 times that of the Sun, or 1,060,000,000 km...	1,520
KY Cygni KY Cygni KY Cygni is a red supergiant star located in the constellation Cygnus. It is one of the largest stars known, at about 1,420 or more times the Sun's diameter, and is also one of the most luminous, with about 300,000 or more times the Sun's luminosity...
KW Sagittarii	1,460
RW Cephei RW Cephei RW Cephei is an M-class red hypergiant star in the constellation Cepheus. One of the largest stars known, RW Cephei is estimated at 1650 solar radii. RW Cephei, while nearly as large as the orbit of Jupiter, is not as large as other stars in the constellation of Cephus, namely V354 Cephei and VV...
Betelgeuse Betelgeuse Betelgeuse, also known by its Bayer designation Alpha Orionis , is the eighth brightest star in the night sky and second brightest star in the constellation of Orion, outshining its neighbour Rigel only rarely... (Alpha Orionis)	1,180
VX Sagittarii VX Sagittarii VX Sagittarii is a late-type red supergiant star located more than 1.7 kiloparsec away from Sun in the constellation of Sagittarius.-Stellar characteristics:...	832-1,200
Antares Antares Antares is a red supergiant star in the Milky Way galaxy and the sixteenth brightest star in the nighttime sky . Along with Aldebaran, Spica, and Regulus it is one of the four brightest stars near the ecliptic... (Alpha Scorpii)	800approximately 800, derived from the 1990 lunar occultation measurement of apparent diameter of 43.1 milliarcsec (up to ±1 milliarcsec error) (http://adsabs.harvard.edu/abs/1990A&A...230..355R page 361) together with 1997 parallax of 5.40 [1.68] milliarcsec (SIMBAD citing Hipparcos). The parallax gives a derived distance from 460 to 877 light years. This in turn yields an actual diameter from 653 to 1,246 solar radius. An average of 800 is used here.
V382 Carinae V382 Carinae V382 Carinae, also known as x Carinae , is a star in the constellation Carina.V382 Carinae is a yellow G-type hypergiant with a mean apparent magnitude of +3.93. It is 5930.90 light years from Earth. It is classified as a Cepheid variable star and its brightness varies from magnitude +3.84 to...	747
S Pegasi	580
W Hydrae W Hydrae W Hydrae is a Mira-type variable star in the constellation Hydra .The star is nearly located within Solar Neighborhood, between 75 and 120 parsecs, likely at 375 light years from Sun.- Water and dust masers :...	562
T Cephei T Cephei T Cephei is a Mira variable hypergiant star in the constellation Cepheus. With its radius of 540 solar radii, it is one of the larger known stars.-References:*...	540
S Orionis S Orionis S Orionis is a red giant star in the constellation Orion. It is a Mira variable that pulsates with a 420–day cycle, and varies in radius from 1.9 to 2.3 astronomical units....	530
R Cassiopeiae R Cassiopeiae R Cassiopeiae is a star in the constellation Cassiopeia.R Cassiopeiae is a M-type red giant with a mean apparent magnitude of +9.97. It is classified as a Mira-type variable star and its brightness varies from magnitude +4.7 to +13.5 with a period of 430.5 days. It is approximately 348 light...	500
R Leporis R Leporis R Leporis , sometimes called Hind's Crimson Star, is a well-known variable star in the constellation Lepus, near its border with Eridanus. It is designated "R" in the chart to the right....	500
R Andromedae R Andromedae R Andromedae is a Mira-type variable star in the constellation Andromeda. Its spectral class is type S, because it shows absorption bands of zirconium monoxide in its spectrum...	485 ± 125
Chi Cygni Chi Cygni Chi Cygni is a variable star of the Mira type in the constellation Cygnus.Chi Cygni shows one of the largest variations in magnitude known. Typically it brightens and fades from 5th to 13th magnitude. The average period of this brightness fluctuation is 407 days. Observed extremes were 3.3 and...	470
Alpha Herculis Alpha Herculis Alpha Herculis is a multiple star system in the constellation Hercules. It has the traditional name Rasalgethi or Ras Algethi , and the Flamsteed designation 64 Herculis... (Ras Algethi)	460
R Hydrae R Hydrae R Hydrae is a Mira-type variable star in the constellation Hydra.The magnitude of R Hydrae varies over a period of 389 days, between 3.21 and 11.00. The period of R Hydrae changes slowly....	460
Rho Cassiopeiae Rho Cassiopeiae Rho Cassiopeiae is a yellow hypergiant star in the constellation Cassiopeia. It is about away from Earth, yet can still be seen by the naked eye , as it is 550,000 times as luminous as the Sun. On average, it has an absolute magnitude of −7.5, making it one of the most luminous stars known...	450
119 Tauri 119 Tauri 119 Tauri is a star in the constellation Taurus. It is one of the largest stars known, having a diameter 510 times that of the Sun.119 Tauri is a M-type red supergiant with a mean apparent magnitude of +4.32. It is approximately 1920 light years from Earth... ("Ruby Star")	450
Mira A Mira Mira also known as Omicron Ceti , is a red giant star estimated 200-400 light years away in the constellation Cetus. Mira is a binary star, consisting of the red giant Mira A along with Mira B. Mira A is also an oscillating variable star and was the first non-supernova variable star discovered,... (Omicron Ceti)	400
V509 Cassiopeiae V509 Cassiopeiae V509 Cassiopeiae is a star in the constellation Cassiopeia.V509 Cassiopeiae is a yellow-white G-type hypergiant with a mean apparent magnitude of +5.10. It is at least 7800 light years from Earth. It is classified as a semiregular variable star and its brightness varies from magnitude +4.75 to...	400–900
S Doradus S Doradus S Doradus is the brightest star in the Large Magellanic Cloud, a satellite of the Milky Way. A hypergiant, it is one of the most luminous stars known , but so far away that it is invisible to the naked eye.This star belongs to its own eponymous S Doradus class of variable stars S Doradus is the...	100–380
U Orionis U Orionis U Orionis is a Mira-type variable star in the constellation Orion. It is a classical long period variable star that has been well observed from the United Kingdom for over 120 years. It was discovered on 1885 December 13 by J.E...	370±96
R Doradus R Doradus R Doradus is the name of a red giant Mira variable star in the far-southern constellation Dorado, although visually it appears more closely associated with the constellation Reticulum. Its distance from Earth is 204 ± 9 light-years...	370
HR Carinae HR Carinae HR Carinae is a supergiant, luminous blue variable star located in the constellation Carina. It is surrounded by a vast nebula of ejected nuclear-processed material because this star has a multiple shell expanding atmosphere. This star is among the most luminous stars in our galaxy...	350
R Leonis R Leonis R Leonis is a red hypergiant Mira-type variable star in the constellation Leo.The apparent magnitude of R Leonis varies between 4.31 and 11.65 with a period of 312 days. At maximum it can be seen with the naked eye, while at minimum a telescope of at least 7 cm is needed...	350
Nu Aquilae Nu Aquilae Nu Aquilae is a star in the constellation Aquila.Nu Aquilae is a yellow-white F-type supergiant with an apparent magnitude of +4.64. It is at least 3000 light years from Earth and lies close to the celestial equator.-References:...	350
V337 Carinae V337 Carinae V337 Carinae is a K-type bright giant star in the constellation of Carina. It is an irregular variable and has an apparent visual magnitude which varies between 3.36 and 3.44....	350
The Pistol Star Pistol Star The Pistol Star is a blue hypergiant and is one of the most luminous known stars in the Milky Way Galaxy.It is one of many massive young stars in the Quintuplet cluster in the Galactic Center region....	340
S Coronae Borealis S Coronae Borealis S Coronae Borealis is a Mira-type long period variable star in the constellation Corona Borealis....	340
V381 Cephei V381 Cephei V381 Cephei is a pulsating variable star in the northern constellation of Cepheus. It is a red supergiant of class M1Ibpe+ and probably has a mass of about 9 or 10 solar masses. It also has an apparent magnitude of 5.66 and is about 3,600 light years away.-See also:*List of stars in...	327
Pi Puppis Pi Puppis Pi Puppis is a star in the constellation Puppis.In Chinese, , meaning Bow and Arrow, refers to an asterism consisting of π Puppis, δ Canis Majoris, η Canis Majoris, c Puppis, ZI 674, ο Puppis, κ Puppis, ε Canis Majoris and κ Canis Majoris... (Ahadi)	290
Delta Lyrae Delta² Lyrae Delta2 Lyrae is a 4th magnitude star in the constellation Lyra, approximately 900 light years away from Earth. It is a class M4II star, meaning it is a bright giant star with a surface temperature under 3,500 kelvins...	275
Psi Aurigae Psi1 Aurigae Psi1 Aurigae is a star in the constellation Auriga.ψ1 Aurigae is an orange K-type supergiant with a mean apparent magnitude of +4.92. It is approximately 3837 light-years from Earth. It is classified as an irregular variable star and its brightness varies from magnitude +4.75 to...	271
CW Leonis IRC +10216 IRC +10216 or CW Leonis is a well-studied carbon star that is embedded in a thick dust envelope. It was first discovered in 1969 by a group of astronomers led by Eric Becklin, based upon infrared observations made with the Caltech Infrared Telescope at Mount Wilson Observatory. Its energy is...	250
Cygnus OB2-12 Cygnus OB2-12 Cygnus OB2-12 is an extremely bright blue hypergiant with an absolute bolometric magnitude of -12.2, which approaches the upper limit believed possible for normal single stars....	244
Omicron Canis Majoris	231
Gamma Cygni Gamma Cygni Gamma Cygni is a star in the constellation Cygnus. It has the traditional name Sadr .... (Sadir)	225
Deneb Deneb Deneb is the brightest star in the constellation Cygnus and one of the vertices of the Summer Triangle. It is the 19th brightest star in the night sky, with an apparent magnitude of 1.25. A blue-white supergiant, Deneb is also one of the most luminous nearby stars... (Alpha Cygni)	220
La Superba La Superba La Superba is a star in the constellation Canes Venatici, well-known for its strikingly red appearance.- Physical characteristics :... (Y Canum Venaticorum)	215
Delta Canis Majoris Delta Canis Majoris Delta Canis Majoris is a star in the constellation Canis Major. It has the traditional name Wezen or Wesen... (Wezen)	215±66
V810 Centauri V810 Centauri V810 Centauri, is a Cepheid variable star...	210
Zeta Aurigae Zeta Aurigae Zeta Aurigae is a star in the constellation Auriga. It has the traditional names Haedus and Sadatoni . It is one of the two hædi of the she-goat Capella, the other being Hoedus II, Eta Aurigae... (Haedus)	200
Lambda Velorum Lambda Velorum Lambda Velorum is a star in the constellation Vela. It has the traditional name Suhail .Lambda Velorum is a supergiant or bright giant star of spectral class K5...	200
RS Puppis RS Puppis RS Puppis is a Cepheid variable star in the constellation of Puppis.Because it is located in a large nebula, astronomers using the ESO's New Technology Telescope at La Silla Observatory, Chile have been able to measure its distance by strictly geometric analysis of light echos from particles in...	200
Eta Carinae	85–195	Previously thought to be the most massive single star, but in 2005 it was realised to be a binary system
L Carinae L Carinae L Carinae is a star in the constellation Carina.L Carinae is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.97. It is approximately 430 light years from Earth....	179
6 Cassiopeiae 6 Cassiopeiae 6 Cassiopeiae is an A type bright supergiant or hypergiant. It is about 25 times as massive as the Sun....	170
Rho Persei Rho Persei Rho Persei is a star in the constellation Perseus. It has the traditional name Gorgonea Tertia.Rho Persei is a semiregular variable star of the μ Cephei type, whose apparent magnitude varies between 3.3 and 4.0 with periods of 50 days and 1100 days. It is of spectral class M4 and is approximately...	164
Epsilon Carinae Epsilon Carinae Epsilon Carinae is a star in the constellation Carina. At apparent magnitude +1.86 it is one of the brightest stars in the night sky, but is not visible from the northern hemisphere....	153
LBV 1806-20	150
Epsilon Pegasi (Enif)	150
Epsilon Geminorum Epsilon Geminorum Epsilon Geminorum is a star in the constellation of Gemini. It has the traditional name Mebsuta .... (Mebsuta)	150
Epsilon Aurigae Epsilon Aurigae Epsilon Aurigae is a star in the constellation Auriga. It is traditionally known as Almaaz, Haldus, or Al Anz. Epsilon Aurigae is an unusual eclipsing binary system comprising an F0 supergiant and a companion which is generally accepted to be a huge dark disk orbiting an unknown object, possibly a... A (Almaaz)	135
Mu Boötis Mu Boötis Mu Boötis is a triple star system in the constellation Boötes. It has the traditional name Alkalurops , and the Flamsteed designation 51 Boötis... (Alkalurops)	130
66 Andromedae 66 Andromedae 66 Andromedae is a star in the constellation Andromeda. Its apparent magnitude is 6.16.-References:*...	130
QS Aquilae QS Aquilae \|- bgcolor="#FFFAFA"\| duration of the eclipse \|\| 17 % of period the duration of the light constancy phase at minimum light is equal to zeroQS Aquilae is eclipsing binary of Algol type.-References:* * *...	130
NO Aurigae	130
56 Aquilae 56 Aquilae 56 Aquilae is a star in the constellation Aquila. Its apparent magnitude is 5.76, meaning it would be barely visible to the naked eye, under ideal conditions.It was discovered by nineteenth Century Astronomer John Herschel....	130
L Puppis HD 56096 HD 56096 is a giant star that is also known as L² Puppis because it is located in the constellation of Puppis. It is a semi-regular pulsating star that varies in magnitude from 2.60 down to 6.00 with a period of 140.83 days. The variation in light may be caused by a combination of radial pulsations...	126
Iota Scorpii	125
Delta Apodis Delta Apodis Delta Apodis is a double star in the constellation Apus.The brighter of the pair, δ¹ Apodis, is a M-type red giant with a mean apparent magnitude of +4.68. It is classified as an irregular variable star and its brightness varies from magnitude +4.66 to +4.87...	125
HIP 110307	124.1
32 G. Hydrae 32 G. Hydrae 32 G. Hydra is a G-type giant in the constellation Hydra....	121.7
Iota Carinae HD 84810 HD 84810, also known as l Carinae is a star in the constellation Carina.l Carinae is a yellow G-type supergiant with a mean apparent magnitude of +3.69. It is approximately 1510 light years from Earth. It is classified as a Cepheid variable star and its brightness varies from magnitude +3.28 to...	120
Xi Puppis Xi Puppis Xi Puppis is a star of magnitude +3.34 in the constellation Puppis. It has the traditional name Asmidiske , a misplacement and mistransliteration of Aspidiske, the traditional name of ι Carinae.... (Asmidiske)	120
Mu Sagittarii Mu Sagittarii Mu Sagittarii is a star system in the constellation Sagittarius. It also has the traditional name Polis, from a Coptic word meaning foal. In ancient Chinese astronomy, it is the 1st of 6 stars in the Dipper or 'South Dipper' mansion of the Black Tortoise of the North.The stars in the Polis system...	115
Omicron Cygni	115
V533 Carinae (VV Storm)	114
Gamma Crucis Gamma Crucis Gamma Crucis , often called Gacrux, is a red giant star approximately 88 light-years away in the constellation of Crux. Among Portuguese-speaking peoples it is also named "Rubídea" , in reference to its color. The star is the third-brightest star in Crux and one of the brightest stars in the... (Gacrux)	113
Zeta Cephei Zeta Cephei Zeta Cephei is a star in the constellation of Cepheus. Zeta Cephei marks the left shoulder of Cepheus, the King of Joppa ....	110
Gamma Aquilae (Tarazed)	110
34 Boötis 34 Boötis 34 Boötis or W Boötis is a star in the constellation Boötes.34 Boötis is a M-type red giant with a mean apparent magnitude of +4.80. It is approximately 890 light years from Earth. It is classified as a semiregular variable star and its brightness varies from magnitude +4.73 to +5.4 with a...	110
Beta Arae Beta Arae Beta Arae is the brightest star in the constellation Ara.Beta Arae is an orange K-type bright giant or supergiant with an apparent magnitude of +2.84...	110
Atria Alpha Trianguli Australis Alpha Trianguli Australis is a star in the constellation Triangulum Australe.... (Alpha Trianguli Australis)	109
Peony Nebula Star WR 102ka WR 102ka also known as the Peony Nebula Star or Peony star is a Wolf-Rayet star that is one of several candidates for the most luminous known star in our Milky Way Galaxy. Peony nebula star is a hypergiant luminous blue variable star...	100
Beta Pegasi Beta Pegasi Beta Pegasi is a star in the constellation Pegasus. Its traditional name is Scheat, a name that has also been used for Delta Aquarii.... (Scheat)	95
17 Camelopardalis 17 Camelopardalis 17 Camelopardalis is variable star in the constellation Camelopardalis.-References:* *...	91.3
Beta Andromedae Beta Andromedae Beta Andromedae is a red giant star in the constellation of Andromeda. It has the traditional name Mirach . It has spectral class M0, and is approximately 200 light years away... (Mirach)	90
R Scuti R Scuti R Scuti is a star in the constellation of Scutum. It is a yellow supergiant and is a pulsating variable known as a RV Tauri variable.It was discovered in 1795 by Edward Pigott at a time when only a few variable stars were known to exist...	87.4
Nu Cephei Nu Cephei Nu Cephei is a Class A2, fourth-magnitude star in the constellation Cepheus. Nu Cephei is a white pulsating variable star and multiple star system, located about 5100 light-years from Earth....	83.5
Gamma Andromedae Gamma Andromedae Gamma Andromedae is the third brightest star in the constellation of Andromeda. It is also known by the traditional name Almach , from the Arabic العناق الأرض al-‘anāq al-’arđ̧ "the caracal" .Another term for this star used by medieval astronomers...	83
Theta Herculis	80
Var 83 Var 83 Var 83 is a blue hypergiant in the constellation Triangulum, in the Triangulum Galaxy. With its bolometric luminosity of ±2,240,000 it is one of the most luminous stars known....	80
Rigel Rigel Rigel is the brightest star in the constellation Orion and the sixth brightest star in the sky, with visual magnitude 0.18... (Beta Orionis)	78
Alpha Leporis Alpha Leporis Alpha Leporis is the brightest star in the constellation Lepus. It has the traditional name Arneb, from the Arabic أرنب ’arnab "hare".... (Arneb)	77
P Cygni P Cygni P Cygni is a variable star in the constellation Cygnus. The designation "P" was originally assigned by Johann Bayer in Uranometria as a nova....	76
Beta Doradus Beta Doradus Beta Doradus is the second brightest star in the constellation of Dorado. It is a Cepheid variable, with an apparent visual magnitude which varies between 3.46 and 4.08. Its spectral type and luminosity class are likewise variable, from F-type to G-type and from a supergiant to a bright...	76
DL Crucis DL Crucis DL Crucis is a variable star in the constellation Crux.-References:*...	75-80
Pi Herculis Pi Herculis Pi Herculis is a fourth-magnitude star in the constellation Hercules. As one of the four stars in the Keystone asterism is one of the more easily recognized in the constellation.- Properties :...	72
13 Boötis 13 Boötis 13 Boötis or CF Boötis is a variable star in the constellation Boötes. It is approximately 557 light years from Earth.13 Boötis is a M-type red giant with a mean apparent magnitude of +5.26...	71
R Leporis R Leporis R Leporis , sometimes called Hind's Crimson Star, is a well-known variable star in the constellation Lepus, near its border with Eridanus. It is designated "R" in the chart to the right....	70.4
62 Sagittarii 62 Sagittarii 62 Sagittarii or c Sagittarii is an M-type giant star in the constellation of Sagittarius. It is the southwest corner of the asterism called the Terebellum. It is an irregular variable whose apparent visual magnitude varies between 4.45 and 4.64, and, at its brightest, it is the...	70
R Coronae Borealis R Coronae Borealis R Coronae Borealis is a yellow supergiant star, and is the prototype of the RCB class of variable stars, which fade by several magnitudes at irregular intervals...	65
Canopus (Alpha Carinae)	65
Delta Virginis Delta Virginis Delta Virginis is a red giant star in the constellation Virgo. It also has the traditional name Auva.It has a spectral type of M3-III, and an magnitude of 3.38, bright enough to be seen with the naked eye... (Auva)	65
Delta Sagittarii Delta Sagittarii Delta Sagittarii is a star system in the constellation Sagittarius. It has the traditional names Kaus Media, Kaus Meridionalis, and Media. Kaus Media is 306 light years from Earth and radiates with a total luminosity of 1180 times that of the Sun...	62
Delta Orionis Delta Orionis Delta Orionis , traditionally known as Mintaka , is a star some 900 light years distant in the constellation Orion. Together with Zeta Orionis and Epsilon Orionis , the three stars make up the belt of Orion, known by many names across many ancient cultures... (Mintaka)	60
Alpha Persei Alpha Persei Alpha Persei is the brightest star in the constellation of Perseus, just outshining the constellation's best known star Algol. It also bears the traditional names Mirfak and Algenib... (Mirfak)	60
Zeta Geminorum Zeta Geminorum Zeta Geminorum is a star in the constellation Gemini. It has the traditional name Mekbuda.The name Mekbuda has roots in ancient Arabic where it and the star Mebsuta were the paws of a lion... (Mekbuda)	60
Eta Aquilae Eta Aquilae Eta Aquilae is a star in the constellation Aquila. It was also part of the former constellation Antinous. It is a Cepheid variable star, varying from apparent magnitude 3.5 to 4.4 with a period of 7.176641 days... (Bezek)	60
89 Herculis 89 Herculis 89 Herculis is a sixth-magnitude star in the constellation Hercules. Located about 4,000 light years away, it is among a rare class of stars known as yellow supergiants...	60
Upsilon Sagittarii Upsilon Sagittarii Upsilon Sagittarii is a spectroscopic binary star system in the constellation Sagittarius. Upsilon Sagittarii is the prototypical hydrogen-deficient binary , and one of only four such systems known...	60
Alpha Aquarii (Sadalmelik)	60
CPD -572874 CPD -572874 CPD -572874 is an old blue giant star in the constellation Vela.The star is surrounded by a dust disk, but planets are rather implausible, since the lifetime of giants like this isn't long enough for planets to form. It has entered its final stages and started blowing its hull out into space....	60
Chi Orionis Chi² Orionis Chi2 Orionis is a B-type supergiant star in the constellation of Orion. It has an apparent visual magnitude of approximately 4.646....	59
Alpha Persei Alpha Persei Alpha Persei is the brightest star in the constellation of Perseus, just outshining the constellation's best known star Algol. It also bears the traditional names Mirfak and Algenib... (Mirfak)	56
Iota Aurigae Iota Aurigae Iota Aurigae is a star in the constellation Auriga. It has the traditional name Al Kab, short for Kabdhilinan, from the Arabic الكعب ذي العنان al-kacb ðīl-cinān "the ankle of the rein holder "... (Al Kab)	55
FF Aquilae FF Aquilae FF Aquilae is a classical cepheid variable .-External links:* * *...	55
Alpha Apodis Alpha Apodis Alpha Apodis is the brightest star in the constellation of Apus. It is a K-type giant star with an apparent visual magnitude of approximately 3.825. It is approximately 410 light-years from the Earth....	55
Tau Serpentis Tau¹ Serpentis Tau1 Serpentis is an M-type giant star in the constellation of Serpens, approximately 900 light-years from Earth. It has an apparent visual magnitude which varies between 5.13 and 5.20....	54
Beta Cancri Beta Cancri Beta Cancri is the brightest star in the constellation Cancer. It has the traditional name Tarf or Al Tarf , certainly a derivation from Arabic الطرف aṭ-ṭarf "the eye" or طرفة aṭ-ṭarfah "the glance "... (Tarf)	53
Alpha Antliae Alpha Antliae Alpha Antliae is the brightest star in the constellation of Antlia but it has not been given a proper name. It is approximately 370 light-years from the Solar System. It is a K-type giant star that varies in apparent visual magnitude between 4.22 and 4.29...	53
Zeta¹ Scorpii Zeta¹ Scorpii Zeta1 Scorpii is a B-type hypergiant star in the constellation of Scorpius. It has an apparent visual magnitude which varies between 4.66 and 4.86...	52
Alphard Alphard Alphard is the brightest star in the constellation Hydra. The name Alphard is from the Arabic الفرد , "the solitary one", there being no other bright stars near it. It was also known as the "backbone of the Serpent" to the Arabs. In ancient China it formed part of an asterism called the "red bird"... (Alpha Hydrae)	50.5
Gamma Draconis (Eltanin)	50
Beta Aquarii Beta Aquarii Beta Aquarii is a triple star in the constellation Aquarius. It has the traditional name Sadalsuud, from an Arabic expression سعد السعود sa‘d al-su‘ūd, the "luck of lucks"... (Sadalsuud)	50
HD 5980 A HD 5980 HD 5980 is a binary star in NGC 346 nebula. It is one of the brightest stars in the Small Magellanic Cloud, and one of the most luminous stars known. HD 5980 A is probably a luminous blue variable of about 40–60 solar masses, while HD 5980 B is an evolved Wolf–Rayet star of about 30 solar masses....	48-160
Epsilon Boötis Epsilon Boötis Epsilon Boötis is a double star in the constellation Boötes. It has the traditional names Izar and Pulcherrima.... (Izar)	48
Zeta² Scorpii Zeta² Scorpii Zeta² Scorpii is a K-type orange giant star in the constellation of Scorpius...	48
AG Antliae AG Antliae AG Antliae or HD 89353 is a post-asymptotic giant branch star.-External links:* * * * * * * *...	47
V428 Andromedae HD 3346 HD 3346, also known as V428 Andromedae, is an orange giant star approximately 655 light-years away in the constellation of Andromeda.- Possible planetary system :...	46.3
HD 13189 HD 13189 HD 13189 is an 8th magnitude star in Triangulum constellation. It is an orange bright giant star located 603 light years away. The mass is 3.5 times the Sun, which indicated that it was a B-type star when it was a main-sequence star...	46
HD 203857 HD 203857 HD 203857 is a late type K giant star in the constellation Cygnus, located nearly 920 light years away from Sun. The star is thought to form a visual binary system with the F-type bright giant BDS 10966 A, though it's likely they are actually not gravitationally bound...	46
Aldebaran Aldebaran Aldebaran is a red giant star located about 65 light years away in the zodiac constellation of Taurus. With an average apparent magnitude of 0.87 it is the brightest star in the constellation and is one of the brightest stars in the nighttime sky... (Alpha Tauri)	44.2
Polaris Polaris Polaris \|Alpha]] Ursae Minoris, commonly North Star or Pole Star, also Lodestar) is the brightest star in the constellation Ursa Minor. It is very close to the north celestial pole, making it the current northern pole star.... (Alpha Ursae Minoris)	43.9
Alpha Cassiopeiae Alpha Cassiopeiae Alpha Cassiopeiae is a second magnitude star in the constellation Cassiopeia, with the traditional name Schedar, sometimes spelt Shedir. Though listed as the alpha star by Johann Bayer, Schedar's visual brightness closely rivals the beta star in the constellation, Caph... (Schedar)	42
Alpha Ceti Alpha Ceti Alpha Ceti is a star in the constellation of Cetus. It has the traditional name Menkar or Menkab. The name Menkar derives from the Arabic word منخر manħar "nostril" .... (Menkar)	42
Delta Cephei Delta Cephei Delta Cephei is a binary star system approximately 891 light-years away in the constellation of Cepheus . Delta Cephei is the prototype of the Cepheid variable stars, and it is among the closest stars of this type to the Sun... (Alrediph)	41.6
Beta Ursae Minoris Beta Ursae Minoris Beta Ursae Minoris is the second brightest star in the bowl of the "Little Dipper,"the constellation Ursa Minor. It has the traditional name Kochab. Kochab's magnitude is 2.07. It is 16 degrees from Polaris. The star is an orange giant and is 126.4 ± 2.5 light years from Earth. It is 130 times... (Kochab)	41
Beta Draconis Beta Draconis Beta Draconis is the third brightest star in the constellation of Draco. It has the traditional name Rastaban, which has also been used for Gamma Draconis.... (Rastaban)	40
BD Camelopardalis BD Camelopardalis BD Camelopardalis is an S star and symbiotic star in the constellation Camelopardalis. It was recognized as a spectroscopic binary star in 1922, and its orbital solution published in 1984; it has a 596-day orbital period...	40
HD 5980 B HD 5980 HD 5980 is a binary star in NGC 346 nebula. It is one of the brightest stars in the Small Magellanic Cloud, and one of the most luminous stars known. HD 5980 A is probably a luminous blue variable of about 40–60 solar masses, while HD 5980 B is an evolved Wolf–Rayet star of about 30 solar masses....	40
Eta Canis Majoris Eta Canis Majoris Eta Canis Majoris is a star in the constellation Canis Major. It has the traditional name Aludra.The name Aludra originates from the Arabic: عذرا al-‘aðrā "the virgin"... (Aludra)	37.8
87 Leonis	37
Gamma Centauri Gamma Centauri Gamma Centauri is a star in the constellation Centaurus. It has the proper name Muhlifain, not to be confused with Muliphein, which is γ Canis Majoris; both names derive from the same Arabic root.... (Muhlifan)	36.5
S Normae S Normae S Normae is a variable star in the constellation Norma. It is the brightest member of the open cluster NGC 6087.-References:*...	35.6
R136a1 R136a1 R136a1 is a blue hypergiant star and the most massive star known. It is an estimated 265 solar masses. The star is also the most luminous at 8,700,000 times the luminosity of the Sun....	35.4	Also on record as the most massive star known.
Sher 25 Sher 25 Sher 25 is an old blue supergiant star located approximately 20,000 light years from the Sun in the H II region NGC 3603 of the Milky Way galaxy. It's a spectral type B1.5Iab star with an apparent magnitude is 12.2, and located at right ascension , declination in the constellation Carina...	35
Gamma Leonis Gamma Leonis Gamma Leonis is a binary star system in the constellation Leo. It has the traditional name Algieba or Al Gieba.-Name origin and history:... (Algieba)	31.9
Alpha Camelopardalis Alpha Camelopardalis Alpha Camelopardalis is an O-type supergiant star, with an apparent visual magnitude of approximately 4.301. It is the third brightest star in the constellation of Camelopardalis, the first and second brightest being β Camelopardalis and CS Camelopardalis, respectively...	31.2
Alpha Ursae Majoris (Dubhe)	30
11 Lacertae 11 Lacertae 11 Lacertae is a star in the constellation Lacerta. 11 Lacertae is a giant star with a stellar classification of K2III, an apparent magnitude of 4.50 and absolute magnitude -0.33. It lies at a distance of about 300 light years....	30
Beta Camelopardalis Beta Camelopardalis Beta Camelopardalis is a star in the constellation Camelopardalis.β Camelopardalis is a yellow G-type supergiant with an apparent magnitude of +4.03. This is a double star, with components of magnitudes 4.0 and 7.4. It is approximately 1000 light years from Earth.-References:* * *...	30
Cygnus OB2-8 Cyg OB2 -8A Cyg OB2-8A or TYC 3161-01325-1 is a eclipsing binary in Cyg OB2 Association.HIC 101425 includes the components CCDM J20332+4119A, CCDM J20332+4119B, CCDM J20332+4119D and CCDM J20332+4119E.-References:...	28
Eta Leonis Eta Leonis Eta Leonis is a fourth-magnitude star in the constellation Leo.- Properties :Eta Leonis is a white supergiant with the stellar classification A0Ib. Though its apparent magnitude is 3.51, making it a relatively dim star to the naked eye, it is 5,600 times more luminous than the Sun, with an...	27
QPM-241 QPM-241 QPM-241 is a Wolf–Rayet star in the Sagittarius constellation. It is the second brightest star in the Quintuplet cluster. With a luminosity of 4.500.000 solar units, it is also one of the most luminous stars.... (Archen Star)	27
R Apodis R Apodis R Apodis is a star in the constellation Apus.R Apodis is an orange K-type giant with an apparent magnitude of +5.37. It is approximately 428 light years from Earth. Although it carries the variable star designation R Apodis, it is now not thought to be a variable star.-References:*...	26.3
Epsilon Orionis Epsilon Orionis Alnilam is a large blue supergiant star in the constellation of Orion. Its Flamsteed designation is 46 Orionis.... (Alnilam)	26
Eta Piscium Eta Piscium Eta Piscium is the brightest star in the constellation Pisces. Eta Piscium is located at a distance of about 294 light years from Earth and shines at magnitude +3.62. It is of Spectral type G7 III...	26
Melnick 42 Melnick 42 Melnick 42 is a supermassive blue giant star in the Tarantula Nebula in the Large Magellanic Cloud, located in the constellation Dorado. With its bolometric luminosity of ca. 2,000,000 it's one of the most luminous stars of the Tarantula Nebula, being outshined by the hypermassive star R136a1....	26
Arcturus (Alpha Boötis)	25.7
HD 93129A HD 93129A HD 93129A is one of the most luminous stars in the Milky Way. This very young blue hypergiant is an O-type hypergiant located about 7500 light-years from Earth in the bright nebula NGC 3372, the same nebula that harbors other super luminous stars, like Eta Carinae.HD 93129A is actually the brighter...	25
11 Ursae Minoris 11 Ursae Minoris 11 Ursae Minoris or 11 UMi is a 5th magnitude K-type giant star located approximately 398 light years away in the constellation Ursa Minor. It is sometimes named Pherkard or Pherkad Minor, the later name to distinguish it from Pherkad which is Gamma Ursae Minoris...	24.1
HD 47536 HD 47536 HD 47536 is a 5th magnitude K-type giant star located approximately 400 light-years away in the constellation of Canis Major. The exact mass of the star is unknown, either 1.1 or 3 MS...	23.5
Epsilon Leonis Epsilon Leonis Epsilon Leonis is the fifth brightest star in the constellation Leo, consistent with its Bayer designation Epsilon... (Algenubi)	23
42 Draconis 42 Draconis 42 Draconis is a 5th magnitude K-type giant star located approximately 317 light years away in the constellation of Draco. The star has mass similar to our Sun but its radius is 22 times greater. It is a metal-poor star with metallicity as low as 35% that of our Sun and its age is 9.49 billion years...	22 ± 1
Alpha Reticuli Alpha Reticuli Alpha Reticuli is a G-type bright giant star. It is the brightest star in the constellation of Reticulum and has an apparent visual magnitude of approximately 3.343....	21
Chi Virginis Chi Virginis Chi Virginis is a star system in the constellation Virgo. It is approximately 319 light years from Earth.The primary component, Chi Virginis A, is an orange K-type giant with an apparent magnitude of +4.66. It has three distant companions. At 173.1 arcseconds distant is the magnitude +9.1 Chi...	20.9
19 Cephei 19 Cephei 19 Cep is a triple star.-References:*...	20–30
HDE226868 Cygnus X-1 Cygnus X-1 is a well-known galactic X-ray source in the constellation Cygnus. It was discovered in 1964 during a rocket flight and is one of the strongest X-ray sources seen from Earth, producing a peak X-ray flux density of 2.3 Wm−2Hz−1...	20-22	The supergiant companion of Cygnus X-1
Zeta Orionis (Alnitak)	20
Theta Scorpii Theta Scorpii Theta Scorpii is a star in the constellation Scorpius. It has the traditional name Sargas, of Sumerian origin.... (Sargas)	20
Beta Herculis Beta Herculis Beta Herculis , which also has the name Kornephoros, is the brightest star in the constellation of Hercules. It has an apparent visual magnitude which varies between 2.76 and 2.81.Although β Herculis appears to the naked eye to be a single star, W. W... (Kornephoros)	20
Theta Apodis Theta Apodis Theta Apodis is a star in the constellation Apus and is located approximately 328 light years from Earth. It is a M-type red giant with a mean apparent magnitude of +5.69. It is classified as a semiregular variable star and its brightness varies by 0.56 magnitudes with a period of 119...	20
Alpha Sagittae Alpha Sagittae Alpha Sagittae is a star in the constellation Sagitta. It has the traditional name Sham or Alsahm which comes to us from Arabic سهم sahm and means Arrow, the name formerly having been applied to the whole constellation....	20
Westerlund 2 Westerlund 2 Westerlund 2 is a young massive obscured star cluster with an estimated age of about one or two million years. It contains some of the hottest, brightest, and most massive stars known...	19.3
HR 2422 Monocerotis Plaskett's star Plaskett's Star is a spectroscopic binary at a distance of around 6600 light-years... (Plaskett's Star)	19.2
Kappa Cassiopeiae Kappa Cassiopeiae Kappa Cassiopeiae is a star in the constellation Cassiopeia.κ Cassiopeiae is a blue-white B-type supergiant with a mean apparent magnitude of +4.17. It is approximately 4100 light years from Earth. It is classified as an Alpha Cygni type variable star and its brightness varies from magnitude...	19
Beta Scorpii Beta Scorpii Beta Scorpii is a star system in the constellation Scorpius. It has the traditional names Acrab, Akrab or Elacrab, all come from al-'Aqrab, the Scorpion, for the whole constellation, as well as Graffias, a name it shares with Xi Scorpii... (Acrab)	19
Beta Lyrae Beta Lyrae Beta Lyrae is a binary star system approximately 882 light-years away in the constellation Lyra. Beta Lyrae has the traditional name Sheliak , from الشلياق šiliyāq, the Arabic name of the constellation Lyra.Beta Lyrae is an eclipsing semi-detached binary system made up of a B7II primary star and... (Sheliak)	19
Zeta Puppis Zeta Puppis Zeta Puppis is a star in the constellation of Puppis. It is also known by the traditional names Naos and Suhail Hadar in Arabic.... (Naos)	18.6
R 122 HD 269810 \|- style="vertical-align: top;"\| Distance \| 170,000 LyHD 269810 or HDE 269810 or R 122 in the Large Magellanic Cloud is a blue star. It is one of the most massive stars known, at 150 solar masses.-External links:****...	18.5
HD 93250 HD 93250 HD 93250 is a blue main sequence star in cluster ....	18
Alpha Microscopii Alpha Microscopii Alpha Microscopii is a G-type giant star in the constellation of Microscopium...	17.5
LH45-425 A	17.5
Upsilon Hydrae Upsilon1 Hydrae Upsilon1 Hydrae is a yellow giant star in the constellation of Hydra. The star is one of Okayama Planet Search's main target for planet search and has turned out to host a substellar companion.-Substellar companion:...	17.1
Beta Ceti Beta Ceti Beta Ceti is the brightest star in the constellation Cetus. Although it has the Bayer designation "beta", it is actually brighter than Alpha Ceti. It has the traditional names Deneb Kaitos and Diphda... (Deneb Kaitos)	17
Epsilon Canis Majoris Epsilon Canis Majoris Epsilon Canis Majoris is the second brightest star in the constellation Canis Major, and one of the brightest stars in the night sky. It has the Bayer designation "epsilon" despite being the second brightest and not the fifth brightest star in its constellation. It has the traditional name Adhara... (Adhara)	17
LY Aurigae LY Aurigae LY Aurigae is an eclipsing binary hypergiant of Beta Lyr type in the constellation Auriga.-References:* * * *...	16
Theta Centauri Theta Centauri Theta Centauri is a star in the constellation Centaurus. It is also has the traditional Arabic name Menkent... (Menkent)	16
Beta Corvi Beta Corvi Beta Corvi is the second brightest star in the constellation of Corvus. It also has the name Kraz.... (Kraz)	16
Beta Cygni A1 (Albireo)	16
Nu Ophiuchi Nu Ophiuchi Nu Ophiuchi is a Class K0, third-magnitude star in the constellation Ophiuchus. Its closest stellar neighbour is the bright binary system Tau Ophiuchi, roughly 16.9 light years away from the star... (Sinistra)	15.25
Alpha Arietis (Hamal)	15
Gamma Cassiopeiae Gamma Cassiopeiae Gamma Cassiopeiae is an eruptive variable star, whose brightness changes irregularly between +2.20 mag and +3.40 mag. It is the prototype of the Gamma Cassiopeiae variable stars. Although it is a fairly bright star, it has no traditional Arabic or Latin name... (Tsih)	14
37 Aquilae 37 Aquilae 37 Aquilae is a G-type giant star in the constellation of Aquila. It has an apparent visual magnitude of approximately 5.137....	13
HD 240210 HD 240210 HD 240210 is a star in the constellation of Cassiopeia. On June 10, 2009 an extrasolar planet, designated HD 240210 b, was discovered in orbit....	13
Alpha Aurigae A Capella (star) Capella is the brightest star in the constellation Auriga, the sixth brightest star in the night sky and the third brightest star in the northern celestial hemisphere, after Arcturus and Vega. Although it appears to be a single star to the naked eye, it is actually a star system of four stars in... (Capella A)	12.2
Xi Aquilae Xi Aquilae - External links :* * *...	12
Gamma Arae Gamma Arae Gamma Arae is a star in the constellation Ara. It is approximately 1140 light years from Earth. This is a blue-white B-type supergiant with an apparent magnitude of +3.5....	12
Gamma Sagittarii Gamma Sagittarii Gamma Sagittarii is a 3rd-magnitude star in the constellation Sagittarius.It was temporarily referred to Gamma-2 Sagittarii . The Bayer designation "Gamma Sagittarii" was temporarily shared by two star systems in this constellation, γ1 Sagittarii and γ2 Sagittarii... (Alnasl)	11
LH45-425 B	10
VV Cephei B	10

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