Castor BvsOgma
Castor B has a higher Luminosity (16 vs 3 × Sun), while Ogma has a higher Distance (259 vs 52 light-years), while Ogma has a higher Apparent Magnitude (8 vs 3 mag).
Brightness
3
Apparent Magnitude
8
2
Absolute Magnitude
4
16
Luminosity
3
Physical Properties
52
Distance
259
N/A
Surface Temperature
5,925
N/A
Color Index (B-V)
1
Position
8
Right Ascension
17
32
Declination
38
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Data sourced from HYG Database (Free for any purpose, including commercial).