AlcorvsRastaban
Alcor has a higher Absolute Magnitude (2 vs -3 mag), while Rastaban has a higher Luminosity (906 vs 14 × Sun), while Rastaban has a higher Color Index (B-V) (1 vs 0).
Brightness
4
Apparent Magnitude
3
2
Absolute Magnitude
-3
14
Luminosity
906
Physical Properties
82
Distance
380
8,411
Surface Temperature
4,856
0
Color Index (B-V)
1
Position
13
Right Ascension
18
55
Declination
52
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Data sourced from HYG Database (Free for any purpose, including commercial).