Castor BvsCopernicus
Castor B has a higher Luminosity (16 vs 1 × Sun), while Copernicus has a higher Absolute Magnitude (6 vs 2 mag), while Copernicus has a higher Apparent Magnitude (6 vs 3 mag).
Brightness
3
Apparent Magnitude
6
2
Absolute Magnitude
6
16
Luminosity
1
Physical Properties
52
Distance
40
N/A
Surface Temperature
5,081
N/A
Color Index (B-V)
1
Position
8
Right Ascension
9
32
Declination
28
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Data sourced from HYG Database (Free for any purpose, including commercial).