DubhevsYildun
Yildun has a higher Absolute Magnitude (1 vs -1 mag), while Dubhe has a higher Color Index (B-V) (1 vs 0), while Dubhe has a higher Luminosity (233 vs 44 × Sun).
Brightness
2
Apparent Magnitude
4
-1
Absolute Magnitude
1
233
Luminosity
44
Physical Properties
123
Distance
172
4,601
Surface Temperature
9,871
1
Color Index (B-V)
0
Position
11
Right Ascension
18
62
Declination
87
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Data sourced from HYG Database (Free for any purpose, including commercial).