AlfirkvsMerak
Merak has a higher Color Index (B-V) (0 vs 0), while Merak has a higher Absolute Magnitude (0 vs -3 mag), while Alfirk has a higher Luminosity (1,962 vs 60 × Sun).
Brightness
3
Apparent Magnitude
2
-3
Absolute Magnitude
0
1,962
Luminosity
60
Physical Properties
685
Distance
80
13,609
Surface Temperature
9,731
0
Color Index (B-V)
0
Position
21
Right Ascension
11
71
Declination
56
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Data sourced from HYG Database (Free for any purpose, including commercial).