Blue giants Bright giants Supergiants Red supergiant Hypergiants absolute magni- tude (MV) A hypergiant (luminosity class 0 or Ia+) is a very rare type of...

A yellow hypergiant (YHG) is a massive star with an extended atmosphere, a spectral class from A to K, and, starting with an initial mass of about 20–60...

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Giants Red giants Blue giants Bright giants Supergiants Red supergiant Hypergiants absolute magni- tude (MV) Red supergiants (RSGs) are stars with a supergiant...

VY Canis Majoris (abbreviated to VY CMa) is an extreme oxygen-rich red hypergiant or red supergiant (O-rich RHG or RSG) and pulsating variable star 1.2...

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Cassiopeiae (/ˌroʊ kæsiəˈpiːaɪ, -sioʊ-, -iː/; ρ Cas, ρ Cassiopeiae) is a yellow hypergiant star in the constellation Cassiopeia. It is about 8,150 light-years (2...

RSGC2-01 or St2-18, is a red supergiant (RSG) or possible extreme red hypergiant (RHG) star in the constellation of Scutum. It lies near the open cluster...

unusual yellow hypergiant evolving bluewards) Rho Cassiopeiae (unstable yellow hypergiant suffering periodic outbursts) Hypernova Hypergiant Hubble, Edwin;...

M.; Zheng, X. W. (January 2012). "Distance and Kinematics of the Red Hypergiant VY CMa: VLBA and VLA Astrometry". The Astrophysical Journal. 744 (1):...

Giants Red giants Blue giants Bright giants Supergiants Red supergiant Hypergiants absolute magni- tude (MV) Supergiants are among the most massive and...

Subgiant Giant Blue Red Yellow Bright giant Supergiant Blue Red Yellow Hypergiant Yellow Carbon S CN CH White dwarf Chemically peculiar Am Ap/Bp CEMP HgMn...

luminous stars known, including the yellow hypergiants Rho Cassiopeiae and V509 Cassiopeiae and white hypergiant 6 Cassiopeiae. In 1572, Tycho Brahe's supernova...

RW Cephei is a K-type hypergiant and a semirregular variable star in the constellation Cepheus, at the edge of the Sharpless 132 H II region and close...

B324 is a yellow hypergiant in the Triangulum Galaxy, located near the giant H II region IC 142 around 2.7 million light years away. It is the brightest...

asteroids gravitating toward each other until they touch. HR 5171, a yellow hypergiant previously thought to be a contact binary. KIC 9832227, a contact binary...

Giants Red giants Blue giants Bright giants Supergiants Red supergiant Hypergiants absolute magni- tude (MV) The standard mechanism for star birth is through...

Subgiant Giant Blue Red Yellow Bright giant Supergiant Blue Red Yellow Hypergiant Yellow Carbon S CN CH White dwarf Chemically peculiar Am Ap/Bp CEMP HgMn...

magnitude of 3.3; it has a period of 35.5 days. V382 Carinae is a yellow hypergiant, one of the rarest types of stars. It is a slow irregular variable, with...

Zheng, X. W.; Brunthaler, A. (2012). "The distance and size of the red hypergiant NML Cygni from VLBA and VLA astrometry" (PDF). Astronomy & Astrophysics...

important class of star known as a Cepheid variable. RW Cephei, an orange hypergiant, together with the red supergiants Mu Cephei, MY Cephei, VV Cephei, V381...

the 15th variable star named in a constellation: RW Cephei, an orange hypergiant located in the constellation Cepheus RW Cygni, a red supergiant located...

that most will be from iron core collapse in luminous supergiants or hypergiants (including LBVs). The narrow spectral lines for which they are named...

Supergiant Blue supergiant Red supergiant Yellow supergiant Hypergiant Yellow hypergiant Blue straggler Stellar classification O-type main-sequence star...

be much higher 590 Gm (3.9 au) – Diameter of the Pistol Star, a blue hypergiant star 591 Gm (4.0 au) – Minimum distance between the Earth and Jupiter...

V509 Cassiopeiae (V509 Cas or HR 8752) is one of two yellow hypergiant stars found in the constellation Cassiopeia, which also contains Rho Cassiopeiae...

Subgiant Giant Blue Red Yellow Bright giant Supergiant Blue Red Yellow Hypergiant Yellow Carbon S CN CH White dwarf Chemically peculiar Am Ap/Bp CEMP HgMn...

distinguish giant stars from dwarfs. Luminosity class 0 or Ia+ is used for hypergiants, class I for supergiants, class II for bright giants, class III for regular...

V382 Carinae, also known as x Carinae (x Car), is a yellow hypergiant in the constellation Carina. It is a G-type star with a mean apparent magnitude of...

HR 5171, also known as V766 Centauri, is a yellow hypergiant in the constellation Centaurus. It is said to be either an extreme red supergiant (RSG) or...