Castor BvsRastaban
Castor B has a higher Absolute Magnitude (2 vs -3 mag), while Rastaban has a higher Luminosity (906 vs 16 × Sun), while Rastaban has a higher Distance (380 vs 52 light-years).
Brightness
3
Apparent Magnitude
3
2
Absolute Magnitude
-3
16
Luminosity
906
Physical Properties
52
Distance
380
N/A
Surface Temperature
4,856
N/A
Color Index (B-V)
1
Position
8
Right Ascension
18
32
Declination
52
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Data sourced from HYG Database (Free for any purpose, including commercial).