DubhevsVega
Vega 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 Apparent Magnitude (2 vs 0 mag).
Brightness
2
Apparent Magnitude
0
-1
Absolute Magnitude
1
233
Luminosity
50
Physical Properties
123
Distance
25
4,601
Surface Temperature
10,138
1
Color Index (B-V)
0
Position
11
Right Ascension
19
62
Declination
39
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Data sourced from HYG Database (Free for any purpose, including commercial).