Spectral TypeM1.5 Iab
Temperature3,660 K
M1.5 Iab TypeConstellation: Scorpius
Antares
Alpha Scorpii
Antares is a red supergiant often called the heart of the Scorpion.
Distance
550 ly
Light Years from Earth
Age
12 million years
Estimated
Mass
12 M☉
Relative to Sun
Radius
680 R☉
Relative to Sun
Surface Temp
3,660 K
Effective Temp
Luminosity
75,000 L☉
Total Energy Output
Astrophysical Data
Apparent Magnitude0.96
Absolute Magnitude-5.28
Spectral ClassificationM1.5 Iab