Castor BvsSika
Castor B has a higher Declination (32 vs -33 °), while Castor B has a higher Luminosity (16 vs 2 × Sun), while Sika has a higher Distance (189 vs 52 light-years).
Brightness
3
Apparent Magnitude
8
2
Absolute Magnitude
4
16
Luminosity
2
Physical Properties
52
Distance
189
N/A
Surface Temperature
5,971
N/A
Color Index (B-V)
1
Position
8
Right Ascension
19
32
Declination
-33
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Data sourced from HYG Database (Free for any purpose, including commercial).