Spectral TypeB0.5 IV
Temperature28,000 K
B0.5 IV TypeConstellation: Crux
Acrux
Alpha Crucis
Acrux is the brightest star in the Southern Cross and a hot blue giant.
Distance
321 ly
Light Years from Earth
Age
10 million years
Estimated
Mass
18 M☉
Relative to Sun
Radius
8.4 R☉
Relative to Sun
Surface Temp
28,000 K
Effective Temp
Luminosity
25,000 L☉
Total Energy Output
Astrophysical Data
Apparent Magnitude0.77
Absolute Magnitude-4.00
Spectral ClassificationB0.5 IV