Castor BvsUkdah
Castor B has a higher Absolute Magnitude (2 vs -1 mag), while Castor B has a higher Declination (32 vs -1 °), while Ukdah has a higher Luminosity (156 vs 16 × Sun).
Brightness
3
Apparent Magnitude
4
2
Absolute Magnitude
-1
16
Luminosity
156
Physical Properties
52
Distance
263
N/A
Surface Temperature
4,098
N/A
Color Index (B-V)
1
Position
8
Right Ascension
10
32
Declination
-1
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Data sourced from HYG Database (Free for any purpose, including commercial).