DubhevsMerak
Merak has a higher Absolute Magnitude (0 vs -1 mag), while Dubhe has a higher Color Index (B-V) (1 vs 0), while Dubhe has a higher Luminosity (233 vs 60 × Sun).
Brightness
2
Apparent Magnitude
2
-1
Absolute Magnitude
0
233
Luminosity
60
Physical Properties
123
Distance
80
4,601
Surface Temperature
9,731
1
Color Index (B-V)
0
Position
11
Right Ascension
11
62
Declination
56
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Data sourced from HYG Database (Free for any purpose, including commercial).