CastorvsRigil Kentaurus
Castor has a higher Declination (32 vs -61 °), while Castor has a higher Apparent Magnitude (2 vs 0 mag), while Castor has a higher Luminosity (49 vs 2 × Sun).
Brightness
2
Apparent Magnitude
0
1
Absolute Magnitude
4
49
Luminosity
2
Physical Properties
51
Distance
4
9,720
Surface Temperature
5,568
0
Color Index (B-V)
1
Position
8
Right Ascension
15
32
Declination
-61
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Data sourced from HYG Database (Free for any purpose, including commercial).