Castor BvsHamal
Castor B has a higher Absolute Magnitude (2 vs 0 mag), while Castor B has a higher Right Ascension (8 vs 2 h), while Hamal has a higher Luminosity (56 vs 16 × Sun).
Brightness
3
Apparent Magnitude
2
2
Absolute Magnitude
0
16
Luminosity
56
Physical Properties
52
Distance
66
N/A
Surface Temperature
4,407
N/A
Color Index (B-V)
1
Position
8
Right Ascension
2
32
Declination
23
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Data sourced from HYG Database (Free for any purpose, including commercial).