Castor BvsMarfik
Castor B has a higher Declination (32 vs 2 °), while Castor B has a higher Absolute Magnitude (2 vs 0 mag), while Marfik has a higher Luminosity (73 vs 16 × Sun).
Brightness
3
Apparent Magnitude
4
2
Absolute Magnitude
0
16
Luminosity
73
Physical Properties
52
Distance
173
N/A
Surface Temperature
9,859
N/A
Color Index (B-V)
0
Position
8
Right Ascension
17
32
Declination
2
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Data sourced from HYG Database (Free for any purpose, including commercial).