DubhevsSpica
Dubhe has a higher Color Index (B-V) (1 vs 0), while Dubhe has a higher Declination (62 vs -11 °), while Spica has a higher Luminosity (2,070 vs 233 × Sun).
Brightness
2
Apparent Magnitude
1
-1
Absolute Magnitude
-3
233
Luminosity
2,070
Physical Properties
123
Distance
250
4,601
Surface Temperature
14,492
1
Color Index (B-V)
0
Position
11
Right Ascension
13
62
Declination
-11
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Data sourced from HYG Database (Free for any purpose, including commercial).