ArcturusvsMesarthim
Mesarthim has a higher Absolute Magnitude (0 vs 0 mag), while Arcturus has a higher Color Index (B-V) (1 vs 0), while Mesarthim has a higher Apparent Magnitude (4 vs 0 mag).
Brightness
0
Apparent Magnitude
4
0
Absolute Magnitude
0
116
Luminosity
62
Physical Properties
37
Distance
164
4,234
Surface Temperature
10,752
1
Color Index (B-V)
0
Position
14
Right Ascension
2
19
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).