Castor BvsHaedus
Castor B has a higher Absolute Magnitude (2 vs -1 mag), while Haedus has a higher Luminosity (259 vs 16 × Sun), while Haedus has a higher Distance (243 vs 52 light-years).
Brightness
3
Apparent Magnitude
3
2
Absolute Magnitude
-1
16
Luminosity
259
Physical Properties
52
Distance
243
N/A
Surface Temperature
12,449
N/A
Color Index (B-V)
0
Position
8
Right Ascension
5
32
Declination
41
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Data sourced from HYG Database (Free for any purpose, including commercial).