CopernicusvsDiadem
Diadem has a higher Luminosity (5 vs 1 × Sun), while Copernicus has a higher Color Index (B-V) (1 vs 0), while Copernicus has a higher Absolute Magnitude (6 vs 3 mag).
Brightness
6
Apparent Magnitude
4
6
Absolute Magnitude
3
1
Luminosity
5
Physical Properties
40
Distance
58
5,081
Surface Temperature
6,600
1
Color Index (B-V)
0
Position
9
Right Ascension
13
28
Declination
18
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Data sourced from HYG Database (Free for any purpose, including commercial).