CastorvsMebsuta
Castor has a higher Absolute Magnitude (1 vs -4 mag), while Mebsuta has a higher Luminosity (3,490 vs 49 × Sun), while Mebsuta has a higher Color Index (B-V) (1 vs 0).
Brightness
2
Apparent Magnitude
3
1
Absolute Magnitude
-4
49
Luminosity
3,490
Physical Properties
51
Distance
845
9,720
Surface Temperature
3,988
0
Color Index (B-V)
1
Position
8
Right Ascension
7
32
Declination
25
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Data sourced from HYG Database (Free for any purpose, including commercial).