Spectral TypeG2V
Temperature5,772 K
Contender A
Sun
G2V
VS
Spectral TypeM5.5Ve
Temperature3,042 K
Contender B
Proxima Centauri
M5.5Ve
Radius
R☉
Sun1
Proxima Centauri0.15
Sun is 6.7x higher
Mass
M☉
Sun1
Proxima Centauri0.12
Sun is 8.3x higher
Temperature
K
Sun5,772
Proxima Centauri3,042
Sun is 1.9x higher
Luminosity
L☉
Sun1
Proxima Centauri0
Sun is 588.2x higher
Distance
ly
Sun0.000016 ly
Proxima Centauri4.25 ly
Sun is 268,765.8x lower
Brightness
mag
Sun-26.74
Proxima Centauri11.13
Sun is -0.4x lower