AchernarvsDubhe
Dubhe has a higher Declination (62 vs -57 °), while Dubhe has a higher Color Index (B-V) (1 vs 0), while Dubhe has a higher Right Ascension (11 vs 2 h).
Brightness
0
Apparent Magnitude
2
-3
Absolute Magnitude
-1
1,052
Luminosity
233
Physical Properties
139
Distance
123
12,650
Surface Temperature
4,601
0
Color Index (B-V)
1
Position
2
Right Ascension
11
-57
Declination
62
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Data sourced from HYG Database (Free for any purpose, including commercial).