CastorvsNikawiy
Nikawiy has a higher Color Index (B-V) (1 vs 0), while Castor has a higher Luminosity (49 vs 6 × Sun), while Nikawiy has a higher Distance (320 vs 51 light-years).
Brightness
2
Apparent Magnitude
8
1
Absolute Magnitude
3
49
Luminosity
6
Physical Properties
51
Distance
320
9,720
Surface Temperature
4,917
0
Color Index (B-V)
1
Position
8
Right Ascension
15
32
Declination
42
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Data sourced from HYG Database (Free for any purpose, including commercial).