Spectral TypeG2V
Temperature5,772 K
Contender A
Sun
G2V
VS
Spectral TypeM4 V
Temperature3,134 K
Contender B
Barnard's Star
M4 V
Radius
R☉
Sun1
Barnard's Star0.2
Sun is 5x higher
Mass
M☉
Sun1
Barnard's Star0.14
Sun is 7.1x higher
Temperature
K
Sun5,772
Barnard's Star3,134
Sun is 1.8x higher
Luminosity
L☉
Sun1
Barnard's Star0
Sun is 285.7x higher
Distance
ly
Sun0.000016 ly
Barnard's Star5.96 ly
Sun is 377,215.2x lower
Brightness
mag
Sun-26.74
Barnard's Star9.54
Sun is -0.4x lower