CastorvsSheratan
Sheratan has a higher Color Index (B-V) (0 vs 0), while Castor has a higher Right Ascension (8 vs 2 h), while Sheratan has a higher Absolute Magnitude (1 vs 1 mag).
Brightness
2
Apparent Magnitude
3
1
Absolute Magnitude
1
49
Luminosity
25
Physical Properties
51
Distance
59
9,720
Surface Temperature
8,444
0
Color Index (B-V)
0
Position
8
Right Ascension
2
32
Declination
21
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Data sourced from HYG Database (Free for any purpose, including commercial).