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...

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 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...

Preethi (2024-11-02). "New Cold Subdwarf Discoveries from Backyard Worlds and a Metallicity Classification System for T Subdwarfs". The Astrophysical Journal...

mass of the ionized gas. The central star is a binary star consisting of an A-type subgiant and a subdwarf O star. The system, which has an orbital period...

080 years. The central star of the planetary nebula is a subdwarf O star with a spectral type of sdO. The best fit model for this star gives an effective...

(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...

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

White main-sequence star Blue subdwarf Blue star This disambiguation page lists articles associated with the title Blue main-sequence star. If an internal...

System Solar Dynamics Observatory, a NASA mission to study the Sun Subdwarf O star (sdO) Service Data Object protocol under the CANopen protocol Service...

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...

calibrations for O–M stars". Astronomy and Astrophysics. 333: 231–250. Bibcode:1998A&A...333..231B. Hoffleit, D.; et al. (1991). "HR 2491". Bright Star Catalogue...

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...

hyper-velocity class O subdwarf in Ursa Major, in the halo of the Milky Way Galaxy. One of the fastest-moving stars in the galaxy, the star was first surveyed...

Blue subdwarf may refer to: Subdwarf O star, subdwarf stars ranging above 30,000 K Subdwarf B star, subdwarf stars ranging from 10,000 to 30,000 K Blue...

(disambiguation) Star (disambiguation) Blue giant (disambiguation) Blue main-sequence star (disambiguation) Blue dwarf (disambiguation) Blue subdwarf (disambiguation)...

could be related to the offset of the central star. The central star is classified as a subdwarf O star with surface temperature of 8900 K. The bright...

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...

UY Sextantis is a post-AGB blue-white subdwarf star, located in the constellation of Sextans. The star is classed as member of the V361 Hydrae type (or...

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...

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...

Chandrasekhar limit Dwarf planet Stellar classification Sub-brown dwarf Subdwarf Ultra-cool dwarf Brown, Laurie M.; Pais, Abraham; Pippard, A.B., eds. (1995)...

Type O in the ABO blood group system an O-type star an O-type main-sequence star an O-type giant star a subdwarf O star the Handley Page Type O, a biplane...

BE UMa. The two components are an unusual M-class dwarf star and a subdwarf O star, borderline white dwarf. It is classified as a detached Algol variable...

type) in the constellation of Aquila. The system comprises a subdwarf O star and red dwarf star. The two stars orbit each other every 2.648976 hours. Based...

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...

+62 km/s. This is a spectroscopic binary system, made up of a Be star and a subdwarf O star, which complete an orbit around each other every 192 days. The...

Orionis in Orion's Belt". Schütz, O.; Meeus, G.; Carmona, A.; Juhász, A.; Sterzik, M. F. (2011). "The young B-star quintuple system HD 155448". Astronomy...

indicated by shifts in the spectrum. The primary star is a Be star, while the secondary star is a subdwarf O star; they orbit each other with a period of about...

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...