Castor BvsPolis
Castor B has a higher Declination (32 vs -21 °), while Castor B has a higher Absolute Magnitude (2 vs -16 mag), while Polis has a higher Luminosity (253,512,863 vs 16 × Sun).
Brightness
3
Apparent Magnitude
4
2
Absolute Magnitude
-16
16
Luminosity
253,512,863
Physical Properties
52
Distance
326,156
N/A
Surface Temperature
8,202
N/A
Color Index (B-V)
0
Position
8
Right Ascension
18
32
Declination
-21
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Data sourced from HYG Database (Free for any purpose, including commercial).