AlcorvsAlruba
Alcor has a higher Absolute Magnitude (2 vs 0 mag), while Alcor has a higher Color Index (B-V) (0 vs 0), while Alruba has a higher Luminosity (117 vs 14 × Sun).
Brightness
4
Apparent Magnitude
6
2
Absolute Magnitude
0
14
Luminosity
117
Physical Properties
82
Distance
533
8,411
Surface Temperature
9,918
0
Color Index (B-V)
0
Position
13
Right Ascension
18
55
Declination
54
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Data sourced from HYG Database (Free for any purpose, including commercial).