Spectral TypeB2 III
Temperature22,000 K
B2 III TypeConstellation: Orion
Bellatrix
Gamma Orionis
Bellatrix is a hot blue giant and the third-brightest star in Orion.
Distance
243 ly
Light Years from Earth
Age
25 million years
Estimated
Mass
8.6 M☉
Relative to Sun
Radius
5.8 R☉
Relative to Sun
Surface Temp
22,000 K
Effective Temp
Luminosity
9,200 L☉
Total Energy Output
Astrophysical Data
Apparent Magnitude1.64
Absolute Magnitude-2.70
Spectral ClassificationB2 III