CastorvsCitadelle
Citadelle has a higher Color Index (B-V) (1 vs 0), while Castor has a higher Right Ascension (8 vs 0 h), while Citadelle has a higher Distance (519 vs 51 light-years).
Brightness
2
Apparent Magnitude
8
1
Absolute Magnitude
2
49
Luminosity
10
Physical Properties
51
Distance
519
9,720
Surface Temperature
4,943
0
Color Index (B-V)
1
Position
8
Right Ascension
0
32
Declination
14
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Data sourced from HYG Database (Free for any purpose, including commercial).