AlcorvsPherkad
Alcor has a higher Absolute Magnitude (2 vs -3 mag), while Pherkad has a higher Luminosity (1,225 vs 14 × Sun), while Pherkad has a higher Distance (487 vs 82 light-years).
Brightness
4
Apparent Magnitude
3
2
Absolute Magnitude
-3
14
Luminosity
1,225
Physical Properties
82
Distance
487
8,411
Surface Temperature
9,455
0
Color Index (B-V)
0
Position
13
Right Ascension
15
55
Declination
72
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Data sourced from HYG Database (Free for any purpose, including commercial).