Spectral TypeG2V
Temperature5,772 K
Contender A
Sun
G2V
VS
Spectral TypeK1 V
Temperature5,260 K
Contender B
Alpha Centauri B
K1 V
Radius
R☉
Sun1
Alpha Centauri B0.86
Sun is 1.2x higher
Mass
M☉
Sun1
Alpha Centauri B0.91
Sun is 1.1x higher
Temperature
K
Sun5,772
Alpha Centauri B5,260
Sun is 1.1x higher
Luminosity
L☉
Sun1
Alpha Centauri B0.5
Sun is 2x higher
Distance
ly
Sun0.000016 ly
Alpha Centauri B4.37 ly
Sun is 276,582.3x lower
Brightness
mag
Sun-26.74
Alpha Centauri B1.33
Sun is -0x lower