CastorvsRastaban
Castor has a higher Absolute Magnitude (1 vs -3 mag), while Rastaban has a higher Color Index (B-V) (1 vs 0), while Rastaban has a higher Luminosity (906 vs 49 × Sun).
Brightness
2
Apparent Magnitude
3
1
Absolute Magnitude
-3
49
Luminosity
906
Physical Properties
51
Distance
380
9,720
Surface Temperature
4,856
0
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).