AlcorvsElgafar
Alcor has a higher Declination (55 vs -2 °), while Elgafar has a higher Color Index (B-V) (1 vs 0), while Alcor has a higher Surface Temperature (8,411 vs 5,626 K).
Brightness
4
Apparent Magnitude
5
2
Absolute Magnitude
2
14
Luminosity
14
Physical Properties
82
Distance
118
8,411
Surface Temperature
5,626
0
Color Index (B-V)
1
Position
13
Right Ascension
14
55
Declination
-2
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Data sourced from HYG Database (Free for any purpose, including commercial).