A B-type subdwarf (sdB) is a kind of subdwarf star with spectral type B. They differ from the typical subdwarf by being much hotter and brighter. They...

supergiant Hypergiants absolute magni- tude (MV) A subdwarf, sometimes denoted by "sd", is a star with luminosity class VI under the Yerkes spectral classification...

A subdwarf O star (sdO) is a type of hot, but low-mass star. O-type subdwarfs are much dimmer than regular O-type main-sequence stars, but with a brightness...

approach in asteroseismology. II. Structure and internal dynamics of the hot B subdwarf component in the close eclipsing binary system PG 1336-018". Astronomy...

requires a telescope with an aperture of 40 cm (20 in) or more. A subdwarf B star, Kepler-70 passed through the red giant stage some 18.4 million years...

Hertzsprung–Russell diagram Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red...

In astronomy, the term compact object (or compact star) refers collectively to white dwarfs, neutron stars, and black holes. It could also include exotic...

KPD 1930+2752 is a binary star system including a subdwarf B star and a probable white dwarf with relatively high mass. Due to the nature of this astronomical...

(or VI) for subdwarfs, and class D (or VII) for white dwarfs. The full spectral class for the Sun is then G2V, indicating a main-sequence star with a surface...

NY Virginis is a binary star about 1,940 light-years away. The primary belongs to the rare class of subdwarf B stars, being former red giants with their...

long-range bomber' (Russian: СДБ, romanized: SDB) Subdwarf B star (sdB), a type of astronomical star /dev/sdb, the second SCSI, SATA or USB disk Shabaki...

The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion...

known L-subdwarfs are substellar objects and two-thirds are low-mass stars. CWISE J1249+3621 (sdL1, 0.082+0.002 −0.003 M☉) is for example a star, because...

The prototype of this rare class is V361 Hydrae, a 15th magnitude subdwarf B star. They pulsate with periods of a few minutes and may simultaneous pulsate...

post-common envelope binary star system that comprises two stars, a pulsating subdwarf B star and a small red dwarf star. It is located about 1,340 light-years...

Hertzsprung–Russell diagram Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red...

A neutron star is the gravitationally collapsed core of a massive supergiant star. It results from the supernova explosion of a massive star—combined with...

(2013). "Detection of a multi-shell planetary nebula around the hot subdwarf O-type star 2MASS J19310888+4324577". Astronomy & Astrophysics. 552: A25. arXiv:1301...

Hertzsprung–Russell diagram Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red...

Marleau, Gabriel-Dominique; Mamajek, Eric E.; Vigan, Arthur (June 2019). "The B-Star Exoplanet Abundance Study: a co-moving 16–25 MJup companion to the young...

Kapteyn's Star is a class M1 red subdwarf about 12.83 light-years from Earth in the southern constellation Pictor; it is the closest halo star to the Solar...

star Be star OB star Subdwarf B star Late-type star Peculiar star Am star Ap and Bp stars Rapidly oscillating Ap star Barium star Carbon star CH star...

A star is a luminous spheroid of plasma held together by self-gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked...

Hertzsprung–Russell diagram Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red...

Kepler-429 (KIC 10001893) is a variable subdwarf B star in the constellation Lyra, about 5,900 light years away. The brightness of Kepler-429 changes...

Stellar classification Sub-brown dwarf Subdwarf Ultra-cool dwarf Brown, Laurie M.; Pais, Abraham; Pippard, A.B., eds. (1995). Twentieth Century Physics...

hypothetical stage in red dwarf interstellar evolution O-type subdwarf B-type subdwarf Blue star (disambiguation) Blue giant (disambiguation) This disambiguation...

blue-white subdwarf star approximately 4,400 light-years away in the constellation of Pegasus. The star is classified as an "extreme horizontal branch star". It...

Hertzsprung–Russell diagram Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red...

Announced in 2008, the eclipsing binary system HW Virginis, comprising a subdwarf B star and a red dwarf, was claimed to also host a planetary system. The claimed...