CastorvsDenebola
Castor has a higher Luminosity (49 vs 15 × Sun), while Denebola has a higher Absolute Magnitude (2 vs 1 mag), while Denebola has a higher Color Index (B-V) (0 vs 0).
Brightness
2
Apparent Magnitude
2
1
Absolute Magnitude
2
49
Luminosity
15
Physical Properties
51
Distance
36
9,720
Surface Temperature
9,125
0
Color Index (B-V)
0
Position
8
Right Ascension
12
32
Declination
15
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Data sourced from HYG Database (Free for any purpose, including commercial).