CastorvsSchedar
Castor has a higher Absolute Magnitude (1 vs -2 mag), while Schedar has a higher Color Index (B-V) (1 vs 0), while Castor has a higher Right Ascension (8 vs 1 h).
Brightness
2
Apparent Magnitude
2
1
Absolute Magnitude
-2
49
Luminosity
542
Physical Properties
51
Distance
228
9,720
Surface Temperature
4,368
0
Color Index (B-V)
1
Position
8
Right Ascension
1
32
Declination
57
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Data sourced from HYG Database (Free for any purpose, including commercial).