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Star system Nebula Median distance Stars in system Spectral type Apparent magnitude (V) Comments and references P Cygni (34 Cygni) 5251±180: 1: B1-2 Ia-0ep: 4.82: The closest luminous blue variable star to Earth V4029 Sagittarii (HD 168607) 6,000 1 B9Ia + 8.12 to 8.29 [4] [5] near the Omega Nebula: V905 Scorpii (HD 160529) 6,100 1 LBV 6.66 [4] [5]
The first luminous blue variable to be identified as a variable star was P Cygni, and these stars have been referred to as P Cygni type variables. The General Catalogue of Variable Stars decided there was a possibility of confusion with P Cygni profiles , which also occur in other types of stars, and chose the acronym SDOR for "variables of the ...
Star system Median distance Stars in system Spectral type Apparent magnitude (V) Comments and references No of Stars Cluster HD 27482: 151: 1: B8V: The Closest Blue Straggler star to Earth. 5 Hyades: HD 27130: 153: 1: B8V: Chi Tauri: 153: 1: B9.5V: 71 Tauri: 153: 1: B8V: HD 283579: 153: 1: B9.5V: 13 Comae Berenices: 260 ± 20: 1: A3 V: 5.17: 3 ...
A faint blue galaxy (FBG) is an inconspicuous, often small galaxy with low surface luminosity.In addition to being dim, they show a remarkable preponderance of sparsely scattered blue stars, but comparatively few red stars, which in most galaxies are by far the most common.
Artist's impression of a B-type star The secondary component of the double star Albireo is a B8 main sequence star, the blue contrasting with the cooler yellow giant primary. The revised Yerkes Atlas system (Johnson & Morgan 1953) [ 12 ] listed a dense grid of B-type dwarf spectral standard stars, however not all of these have survived to this ...
Rigel and the IC 2118 nebula which it illuminates.. It was once believed that blue supergiants originated from a "feeding" with the interstellar medium when stars passed through interstellar dust clouds, [11] [8] although the current consensus is that blue supergiants are evolved high-mass stars, a natural consequence of stellar evolution, larger and more luminous than main-sequence stars.
HD 140283 (also known as the Methuselah star) is a metal-poor subgiant star about 200 light years away from the Earth in the constellation Libra, near the boundary with Ophiuchus in the Milky Way galaxy.
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