of blue-white subdwarfs, making two distinct categories: Cool subdwarfs Hot subdwarfs Like ordinary main-sequence stars, cool subdwarfs (of spectral types G...

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...

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...

indicating low surface gravity, subdwarfs and unresolved binaries. The prefix sd stands for subdwarf and only includes cool subdwarfs. This prefix indicates a...

Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red giants Blue giants Bright...

hours. Both classes of oscillators contain only slowly rotating stars. Subdwarf B (sdB) stars are in essence the cores of core-helium burning giants who...

subdwarfs to have blue near-infrared colors. 2MASS J0532+8246 was the first L-type subdwarf discovered. The prefix sd, esd and usd indicate subdwarfs...

December 2017, seven new brown dwarfs were confirmed, as well as two cool subdwarfs. The spectral types of the new brown dwarfs were T0, T2.8, T5, T6, T6...

of low surface gravity, subdwarfs and unresolved binaries. The prefix sd stands for subdwarf and only includes cool subdwarfs. This prefix indicates a...

the brightest known O class subdwarf stars. HD 49798 was discovered in 1964 to be a rare hydrogen-deficient O class subdwarf, and was the brightest known...

metallicity. Together with WISEA 0414−5854 it is the first discovered extreme subdwarf (esd) of spectral type T. Lodieu et al. describe WISEA 1810-1010 as a water...

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...

Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red giants Blue giants Bright...

Early Late Main sequence O B A F G K M Subdwarf O B WR OB Subgiant Giant Blue Red Yellow Bright giant Supergiant Blue Red Yellow Hypergiant Yellow Carbon...

than about 200M☉. Other stars in the same temperature range include rare subdwarf O-type (sdO) stars, the central stars of planetary nebulae (CSPNe), and...

amplitudes. 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...

(2013-09-21). "Discovery of extremely lead-rich subdwarfs: does heavy metal signal the formation of subdwarf B stars?". Monthly Notices of the Royal Astronomical...

S. Geier, et al - Discovery of a Close Substellar Companion to the Hot Subdwarf Star HD 149382 (2009) Boss, A. P.; Basri, Gibor; Kumar, Shiv S.; Liebert...

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

Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red giants Blue giants Bright...

ISSN 0067-0049. Sandage, A.R.; Eggen, O.J. (1959-06-01). "On the existence of subdwarfs in the (MBol, log Te)-diagram". Monthly Notices of the Royal Astronomical...

Dakota, a US state Eswatini (formerly Swaziland; SD on vehicle plates) Subdwarf, a class of star Surface detector, of cosmic rays at the Pierre Auger Observatory...

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 of 16.00±0.03 days, is...

Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red giants Blue giants Bright...

Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red giants Blue giants Bright...

V391 Pegasi, also catalogued as HS 2201+2610, is a blue-white subdwarf star approximately 4,400 light-years away in the constellation of Pegasus. The star...

Early Late Main sequence O B A F G K M Subdwarf O B WR OB Subgiant Giant Blue Red Yellow Bright giant Supergiant Blue Red Yellow Hypergiant Yellow Carbon...

Early Late Main sequence O B A F G K M Subdwarf O B WR OB Subgiant Giant Blue Red Yellow Bright giant Supergiant Blue Red Yellow Hypergiant Yellow Carbon...

from the sun and its spectrum is sdL1, with sd noting that it is a cool subdwarf. The star has a high tangential velocity of 524±33 km/s and a high radial...

classification system for T subdwarfs, which allows the classification into mild subdwarfs (d/sdT), subdwarfs (sdT) and extreme subdwarfs (esdT). The signature...