AlcorvsCapella
Alcor has a higher Absolute Magnitude (2 vs -1 mag), while Alcor has a higher Apparent Magnitude (4 vs 0 mag), while Capella has a higher Luminosity (139 vs 14 × Sun).
Brightness
4
Apparent Magnitude
0
2
Absolute Magnitude
-1
14
Luminosity
139
Physical Properties
82
Distance
43
8,411
Surface Temperature
5,296
0
Color Index (B-V)
1
Position
13
Right Ascension
5
55
Declination
46
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Data sourced from HYG Database (Free for any purpose, including commercial).