Spectral TypeG2V
Temperature5,772 K
Contender A
Sun
G2V
VS
Spectral TypeM6 Ia
Temperature3,200 K
Contender B
Stephenson 2-18
M6 Ia
Radius
R☉
Sun1
Stephenson 2-182,150
Stephenson 2-18 is 2,150x higher
Mass
M☉
Sun1
Stephenson 2-1835
Stephenson 2-18 is 35x higher
Temperature
K
Sun5,772
Stephenson 2-183,200
Sun is 1.8x higher
Luminosity
L☉
Sun1
Stephenson 2-18440,000
Stephenson 2-18 is 440,000x higher
Distance
ly
Sun0.000016 ly
Stephenson 2-1819,000 ly
Sun is 1,202,531,645.6x lower
Brightness
mag
Sun-26.74
Stephenson 2-1815.00
Sun is -0.6x lower