Barnard's StarvsMesarthim
Barnard's Star has a higher Color Index (B-V) (2 vs 0), while Mesarthim has a higher Luminosity (62 vs 0 × Sun), while Barnard's Star has a higher Absolute Magnitude (13 vs 0 mag).
Brightness
10
Apparent Magnitude
4
13
Absolute Magnitude
0
0
Luminosity
62
Physical Properties
6
Distance
164
3,691
Surface Temperature
10,752
2
Color Index (B-V)
0
Position
18
Right Ascension
2
5
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).