Astrophysics (index)

O5 Spectral Class

(O5)
(type of star with about 50 times the mass of the Sun)

The O5 Spectral Class (O5) is a subtype of O-Type Star (O), specifically, a Spectral Class for stars of about 50 times then solar mass. They burn up their Hydrogen (H) in about a million years. Characteristics:

45000KSurface Temperature
12Radius
60Mass
-5.7Absolute Magnitude (M)(visual)
790,000Luminosity (L)(bolometric)
3,000,000Lifetime
.00001%Abundance(all O stars)

(star type,spectral type)
http://en.wikipedia.org/wiki/O-type_main-sequence_star

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