AlhenavsCopernicus
Copernicus has a higher Absolute Magnitude (6 vs -1 mag), while Copernicus has a higher Color Index (B-V) (1 vs 0), while Alhena has a higher Luminosity (165 vs 1 × Sun).
Brightness
2
Apparent Magnitude
6
-1
Absolute Magnitude
6
165
Luminosity
1
Physical Properties
109
Distance
40
10,113
Surface Temperature
5,081
0
Color Index (B-V)
1
Position
7
Right Ascension
9
16
Declination
28
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Data sourced from HYG Database (Free for any purpose, including commercial).