Astrophysics (index)

B-Type Star

(B)
(type of star with about 10 times the mass of the Sun)

A B-Type Star is a star in the B-Class, a Spectral Class for stars of around 10 solar mass and 5 times solar radius. They burn up their Hydrogen (H) in a few hundred million years. They have medium hydrogen Absorption Lines. Characteristics:

blue-whiteConventional color
10500-33000KSurface Temperature
3-8Radius
3-18Mass
-3.3-1.1Absolute Magnitude (M)(visual)
40-24000Luminosity (L)(bolometric)
10-500 Million YearsMain sequence lifetime
.13%Abundance

(star type,spectral type)
http://en.wikipedia.org/wiki/Stellar_classification
WaveLFreqPhoton
Energy
  
97nm3.1PHz13eVbeginB-Type Star
145nm2.1PHz8.6eVendB-Type Star

Referenced by:
Ap Star
Be Star
OB Association
Orion
Star Formation Rate (SFR)
Solar Wind
Spectral Class
Stellar Association

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