yellow supergiant
1Yellow supergiant — A yellow supergiant (YSG) is a supergiant star of spectral type F or G. [p. 366, The evolution of massive stars with mass loss, Cesare Chiosi and Andre Maeder, Annual review of astronomy and astrophysics 24 (1986), pp. 329 ndash;375.… …
2Blue supergiant — Blue supergiants (BSGs) are supergiant stars (luminosity class I) of spectral type O or B.They are extremely hot and bright, with surface temperatures of between 20,000 to 50,000°C. They typically have 10 to 50 solar masses on the Hertzsprung… …
3B Velorum (supergiant) — Starbox short name=b Velorum epoch=J2000.0 constell=Vela ra=08h 40m 37.6s dec=−46° 38 56 spectral=F3Ia appmag v=+3.77 dist ly=3100 ± 1450 dist pc=950 ± 450 names=HR 3445, HD 74180, CD 46°4438, FK5 1226, HIP 42570, SAO 220265, GC 11951, CCDM 08406 …
4Outline of astronomy — Mauna Kea in Hawaii is one of the world s premier observatory sites. Pictured is the W. M. Keck Observatory, an optical interferometer. The following outline is provided as an overview of and topical guide to astronomy: Astronomy – studies the… …
5Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… …
6Delta Canis Majoris — d Canis Majoris δ CMa, a yellow supergiant 1800 lightyears away in the Canis Major constellation Observation data Epoch J2000      Equinox …
7Holmberg IX — Infobox Galaxy name = Holmberg IX caption = Holmberg IX Dwarf Galaxy on DSS2, 9 prime; view credit = Palomar Observatory/STScI/WikiSky epoch = 2000 ra = RA|09|57|32.1 Cite web | title = SIMBAD: UGC 5336 | url = http://simbad3.u strasbg.fr/sim… …
8Alpha Aquarii — NOTOC Starbox begin name = α AquariiStarbox image caption = α Aquarii Starbox observe epoch = J2000.0 equinox = J2000.0 (ICRS) constell = Aquarius ra = RA|22|05|47.0357SIMBAD link|alpha+aquarii|NAME SADALMELIK Star in double system, database… …
9Ursa Minor — Infobox Constellation name =Ursa minor abbreviation = UMi genitive = Ursae Minoris symbology = The Little Bear RA = 15 dec= +75 areatotal = 256 arearank = 56th numbermainstars = 7 numberbfstars = 23 numberstarsplanets = 1 numberbrightstars = 2… …
10R Coronae Borealis — Starbox begin name=R CrBStarbox image caption = R Coronae Borealis Starbox observe epoch=J2000 ra=RA|15|48|34.4149 dec=DEC|+28|09|24.296 appmag v=5.9 constell=Corona Borealis Starbox character class=G0Iab:pe b v=? u b=? variable=Variable Star of… …
