Castor BvsUúba
Castor B has a higher Declination (32 vs -38 °), while Castor B has a higher Luminosity (16 vs 1 × Sun), while Uúba has a higher Distance (251 vs 52 light-years).
Brightness
3
Apparent Magnitude
10
2
Absolute Magnitude
5
16
Luminosity
1
Physical Properties
52
Distance
251
N/A
Surface Temperature
5,236
N/A
Color Index (B-V)
1
Position
8
Right Ascension
24
32
Declination
-38
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Data sourced from HYG Database (Free for any purpose, including commercial).