B-type main-sequence star
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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
The secondary component of the double star Albireo is a B8 main sequence star, the blue contrasting with the cooler yellow giant primary.
Main sequence
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In astronomy, the main sequence is a classification of stars which appear on plots of stellar color versus brightness as a continuous and distinctive band. Stars spend the majority of their lives on t
B-type main-sequence star
…A B-type main-sequence star is a main-sequence (core hydrogen-burning) 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…
The violent youth of stars like the Sun
Hot and brilliant O-type main-sequence stars in star-forming regions. These are all regions of star formation that contain many hot young stars including several bright stars of spectral type O.
Size comparison of main sequence stars, including Proxima Centauri, the Sun, and Sirius, and the blue giant Spica
The Sun is the most familiar example of a main-sequence star