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The following is a list of particularly notable actual or hypothetical stars that have their own articles in Wikipedia, but are not included in the lists above. BPM 37093 — a diamond star Cygnus X-1 — X-ray source
List of the largest known stars in Andromeda and Triangulum galaxies Star name Solar radii (Sun = 1) Galaxy Method [a] Notes Theoretical limit of star size (Andromeda Galaxy) ≳1,750 [11] L/T eff: Estimated by measuring the fraction of red supergiants at higher luminosities in a large sample of stars. Assumes an effective temperature of 3,625 K.
List of most luminous stars; List of most massive stars; List of largest known stars; List of smallest stars; List of oldest stars; List of stars with proplyds; List of variable stars; List of semiregular variable stars; List of stars that dim oddly; List of X-ray pulsars; List of brown dwarfs; List of supernovae. List of supernova remnants ...
Planets d, e, f and g are potentially habitable. Only star known with exactly seven confirmed planets. All seven terrestrial planets lie within only 0.07 AU of the star. 55 Cancri: Cancer: 08 h 52 m 35.81 s +28° 19′ 50.9″ 5.95: 40: K0IV-V: 1.026: 5217: 7.4: 5: All five known planets orbit around star A (none are circumbinary or orbit ...
In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...
This is a partial list of known accretion-powered pulsars, ... 37.7 10.4 (Ofpe/WN9) Vela X-1: 283 8.96 HD 77581 ... List of X-ray pulsars.
This planet is a circumbinary planet, which circles both stars in the PSR B1620-26 system [6] [7] First singular white dwarf with a transiting object WD 1145+017: 2015 Known object is a disintegrating planetesimal, most likely an asteroid. [8] First white dwarf that is a pulsar: AR Scorpii A: 2016 The star is in a binary system with a red dwarf [9]
M33 X-7: 01 h 33 m 34.13 s +30° 32′ 11.3″ 18.70: 3000000: O6III: in Triangulum Galaxy; High-mass X-ray binary; contains largest known stellar black hole: Var A: 01 h 32 m 32.52 s +30° 30′ 22.4″ 3000000: F8Ia: in Triangulum Galaxy; luminous blue variable; one of the most luminous stars known: Var 2: Y: 01 h 34 m 18.4 s +30° 38′ 27 ...