CaphvsCastor B
Castor B has a higher Right Ascension (8 vs 0 h), while Caph has a higher Luminosity (30 vs 16 × Sun), while Caph has a higher Declination (59 vs 32 °).
Brightness
2
Apparent Magnitude
3
1
Absolute Magnitude
2
30
Luminosity
16
Physical Properties
55
Distance
52
6,989
Surface Temperature
N/A
0
Color Index (B-V)
N/A
Position
0
Right Ascension
8
59
Declination
32
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Data sourced from HYG Database (Free for any purpose, including commercial).