CastorvsCelaeno
Castor has a higher Color Index (B-V) (0 vs 0), while Celaeno has a higher Distance (377 vs 51 light-years), while Castor has a higher Absolute Magnitude (1 vs 0 mag).
Brightness
2
Apparent Magnitude
5
1
Absolute Magnitude
0
49
Luminosity
77
Physical Properties
51
Distance
377
9,720
Surface Temperature
10,570
0
Color Index (B-V)
0
Position
8
Right Ascension
4
32
Declination
24
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Data sourced from HYG Database (Free for any purpose, including commercial).