Astrophysics (Index)About

O5 spectral type

(O5)
(spectral type of star with a temperature of about 45000 K)

The O5 spectral type (O5) is a subtype of O-type star, specifically, those with a surface temperature of around 45000 K. Characteristics of main-sequence O5 stars:

12radius(solar)
60mass(solar)
-5.7absolute magnitude(visual)
790,000bolometric luminosity(solar)
3,000,000 yearslifetime
0.00001%abundance of all O-type stars

(star type)
Further reading:
https://en.wikipedia.org/wiki/O-type_star
https://en.wikipedia.org/wiki/O-type_main-sequence_star
http://www.atlasoftheuniverse.com/startype.html

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