Subdwarf B star
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A B-type subdwarf is a kind of subdwarf star with spectral type B. They differ from the typical subdwarf by being much hotter and brighter. They are situated at the "extreme horizontal branch" of the
Artist's impression of a sdB star, showing a giant hot spot
B-type main-sequence star
Videos
A B-type main-sequence star is a main-sequence star of spectral type B. The spectral luminosity class is given as V. These stars have from 2 to 18 times the mass of the Sun and surface temperatures be
Subdwarf B star
…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 are situated at the "extreme horizontal branch" of the Hertzsprung–Russell…
The secondary component of the double star Albireo is a B8 main sequence star, the blue contrasting with the cooler yellow giant primary.