AlkaphrahvsDubhe
Dubhe has a higher Color Index (B-V) (1 vs 0), while Alkaphrah has a higher Distance (358 vs 123 light-years), while Alkaphrah has a higher Surface Temperature (10,039 vs 4,601 K).
Brightness
4
Apparent Magnitude
2
-2
Absolute Magnitude
-1
393
Luminosity
233
Physical Properties
358
Distance
123
10,039
Surface Temperature
4,601
0
Color Index (B-V)
1
Position
9
Right Ascension
11
47
Declination
62
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Data sourced from HYG Database (Free for any purpose, including commercial).