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Longer titles found: Subdwarf B star (view), Subdwarf O star (view)

searching for Subdwarf 23 found (350 total)

alternate case: subdwarf

HD 49798 (853 words) [view diff] exact match in snippet view article find links to article

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

Omicron Puppis (1,039 words) [view diff] exact match in snippet view article find links to article

indicate it may be a φ Per-like system with a Be star primary and a hot subdwarf companion of type sdO. If this is the case, then the pair have a circular

UX Ursae Majoris (2,048 words) [view diff] exact match in snippet view article find links to article

photographic observations. G. P. Kuiper in 1941 classified the star as a B3 subdwarf. O. Struve in 1948 noted that the system underwent significant variations

SX Phoenicis (1,142 words) [view diff] exact match in snippet view article find links to article

classification of A2 V. During the 1940s it was classed as a "probable subdwarf" because of its low luminosity for the spectral class. On average, it has

Abell 63 (1,250 words) [view diff] exact match in snippet view article find links to article

of at least 2.45 times the radius of the Sun. The primary is an O-type subdwarf star (sdO) that has passed through the asymptotic giant branch stage, during

LoTr 5 (1,550 words) [view diff] exact match in snippet view article find links to article

subgiant, as well as a hot O-type subdwarf or white dwarf that is responsible for ionizing the nebula. The subdwarf is one of the hottest stars known

FY Canis Majoris (757 words) [view diff] exact match in snippet view article find links to article

spectra from the IUE and found that the Be star has hot, far less massive subdwarf companion star, with which it forms a spectroscopic binary. Hui-Lau Cao

SDSS J1240+6710 (505 words) [view diff] exact match in snippet view article find links to article

Valois, A. D. M.; Amaral, L. A. (30 November 2015). "New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12". Monthly Notices

HD 14412 (654 words) [view diff] exact match in snippet view article find links to article

1051/0004-6361/201218800, S2CID 46328823. Carney, B. W. (September 1978), "Southern subdwarf photometry", Astronomical Journal, 83: 1087–1089, Bibcode:1978AJ.....83

HD 190984 (852 words) [view diff] exact match in snippet view article find links to article

Bibcode:1975mcts.book.....H. Carney, B. W. (September 1978). "Southern subdwarf photometry". The Astronomical Journal. 83: 1087. Bibcode:1978AJ.....83

Andrew Digby (1,851 words) [view diff] exact match in snippet view article find links to article

Hambly, Nigel C.; Cooke, John A.; Reid, I. Neill; Cannon, Russell D. The subdwarf luminosity function. Monthly Notices of the Royal Astronomical Society

List of supernova candidates (2,329 words) [view diff] exact match in snippet view article find links to article

Christian (30 May 2023). "Timing the X-ray pulsating companion of the hot subdwarf HD 49798 with NICER". Monthly Notices of the Royal Astronomical Society

Pegasus (constellation) (3,929 words) [view diff] exact match in snippet view article

also in Pegasus are the first to be directly imaged. V391 Pegasi is a hot subdwarf star that has been found to have a planetary companion. M15 (NGC 7078)

HR 6819 (1,819 words) [view diff] exact match in snippet view article find links to article

the first dynamical masses of a classical Be + stripped and bloated pre-subdwarf binary". Astronomy & Astrophysics. 694: A208. arXiv:2501.04103. Bibcode:2025A&A

V391 Pegasi b (427 words) [view diff] exact match in snippet view article find links to article

Whole Earth Telescope Xcov23 collaboration (2007). "The O-C diagram of the subdwarf B pulsating star HS2201+2610: detection of a giant planet?". ASP Conference

Solar analog (3,392 words) [view diff] exact match in snippet view article find links to article

Boyajian, Tabetha S.; et al. (August 2008). "Angular Diameters of the G Subdwarf µ Cassiopeiae A and the K Dwarfs s Draconis and HR 511 from Interferometric

Astrophysical X-ray source (8,342 words) [view diff] exact match in snippet view article find links to article

a cycle of ~400 days. HD 49798 is a subdwarf star that forms a binary system with RX J0648.0-4418. The subdwarf star is a bright object in the optical

SigSpec (1,728 words) [view diff] exact match in snippet view article find links to article

S2CID 11390524. C. Schoenaers; A. E. Lynas-Gray (2007). "A new slowly pulsating subdwarf-B star: HD 4539". Communications in Asteroseismology. 151: 67–76. Bibcode:2007CoAst

List of stars in Orion (97 words) [view diff] exact match in snippet view article find links to article

5 d HD 36629 36629 26000 05h 32m 57.08s −04° 34′ 59.3″ 7.65 B2Vv has a subdwarf companion; suspected variable HD 37903 37903 26816 05h 41m 38.39s −02° 15′ 32

Auriga (10,566 words) [view diff] exact match in snippet view article find links to article

star with a period of 4 hours and 20 minutes. Both components are small subdwarf stars; there has been dispute in the scientific community about which star

Collision-induced absorption and emission (3,427 words) [view diff] exact match in snippet view article find links to article

McGovern, Mark R.; Prato, Lisa; McLean, Ian S. (2003). "The First Substellar Subdwarf? Discovery of a Metal-poor L Dwarf with Halo Kinematics". The Astrophysical

HD 144941 (1,285 words) [view diff] exact match in snippet view article find links to article

Hill, P. W. (June 1996), "A search for variability in the helium-rich subdwarf HD 144941", The Observatory, 116: 156–161, Bibcode:1996Obs...116..156J

List of Y-dwarfs (3,067 words) [view diff] exact match in snippet view article find links to article

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