Spectral TypeB1 III
Temperature25,000 K
B1 III TypeConstellation: Centaurus
Hadar
Beta CentauriAgena
Hadar is a luminous blue giant and one of the brightest stars in Centaurus.
Distance
390 ly
Light Years from Earth
Age
14 million years
Estimated
Mass
12 M☉
Relative to Sun
Radius
8.5 R☉
Relative to Sun
Surface Temp
25,000 K
Effective Temp
Luminosity
42,000 L☉
Total Energy Output
Astrophysical Data
Apparent Magnitude0.61
Absolute Magnitude-4.60
Spectral ClassificationB1 III