Eta Canis Majoris
Eta Canis Majoris (η CMa, η Canis Majoris) is a star in the constellation Canis Major. It has the traditional name Aludra. Since 1943, the spectrum of this star has served as one of the stable anchor...
Eta Canis Majoris - Wikipedia
Rho Leonis
Rho Leonis (ρ Leo) is a binary star in the zodiac constellation of Leo, and, like the prominent nearby star Regulus, it is located near the ecliptic. With an apparent visual magnitude of 3.9, this sta...
Rigel
Rigel, also known by its Bayer designation Beta Orionis (β Ori, β Orionis), is the brightest star in the constellation Orion and the seventh brightest star in the night sky, with visual magnitude 0.13...
Rigel - Wikipedia
Kappa Cassiopeiae
Kappa Cassiopeiae (κ Cas, κ 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 4000 li...
Kappa Cassiopeiae - Wikipedia
Xi Sagittarii
The Bayer designation Xi Sagittarii (Xi Sgr, ξ Sagittarii, ξ Sgr) is shared by two stars, ξ¹ Sagittarii and ξ² Sagittarii, in the constellation Sagittarius, separated by 0.46° in the sk...
Chi² Orionis
Chi Orionis (Chi Ori / χ Orionis / χ Ori) is a B-type supergiant star in the constellation of Orion. It has an apparent visual magnitude of approximately 4.646. Since 1943, the sp...
Gamma Arae
Gamma Arae (γ Ara, γ Arae) is a star in the southern constellation of Ara. With an apparent visual magnitude of 3.3, it is the fourth brightest star in the constellation and is readily visible to the ...
Omicron2 Canis Majoris
Omicron Canis Majoris (ο² CMa, ο² Canis Majoris) is a star in the constellation Canis Major. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars ar...
Omicron2 Canis Majoris - Wikipedia
Blue supergiant
Blue supergiants (BSGs) are hot luminous stars, referred to scientifically as OB supergiants. They have luminosity class I and spectral class B9 or earlier.They are found towards the top left of the ...
Blue supergiant - Wikipedia
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 sh...
Mu Sagittarii
Mu Sagittarii (Mu Sgr, μ Sagittarii, μ Sgr) is a star system in the constellation Sagittarius. It also has the traditional name Polis. The stars in the Polis system are designated Poli...
48 Librae
48 Librae (48 Lib) is a star in the constellation Libra. Its apparent magnitude is 4.94.
Phi Velorum
Phi Velorum (φ Vel, φ Velorum) is a star in the constellation Vela. It has the traditional name Tseen Ke, from Chinese 天紀 (Mandarin tiānjì) "star chart". (lit. "Record of Heaven").Phi Velorum is a b...
Sher 25
Sher 25 is a blue supergiant star in the constellation Carina, located approximately 25,000 light years from the Sun in the H II region NGC 3603 of the Milky Way galaxy. It is a spectral type B1Iab s...
Mu Normae
Mu Normae is a blue supergiant star of spectral type O9.71ab in the constellation Norma.It is suspected of being an Alpha Cygni variable, which are named after the also similar star Deneb. Being a blu...
DL Crucis
DL Crucis is a variable star in the constellation Crux. It is a blue-white supergiant of spectral type B1.5Ia, with a radius around 40.7 times and a mass 24 times that of the Sun. An Alpha Cygni varia...
DL Crucis - Wikipedia
CS Camelopardalis
CS Camelopardalis (CS Cam) is a binary star in reflection nebulae vdB 14, in the constellation Camelopardalis. It was designated B Cam or 2H.Cam.The primary component, CS Camelopardalis A, is a blue-...
AG Antliae
HR 4049, also known as HD 89353 and AG Antliae, is a post-asymptotic-giant-branch star in the constellation Antlia. A very metal-poor star, it is surrounded by a thick unique circumbinary disk enriche...