RukbatvsUúba
Uúba has a higher Color Index (B-V) (1 vs 0), while Rukbat has a higher Luminosity (71 vs 1 × Sun), while Uúba has a higher Absolute Magnitude (5 vs 0 mag).
Brightness
4
Apparent Magnitude
10
0
Absolute Magnitude
5
71
Luminosity
1
Physical Properties
182
Distance
251
11,658
Surface Temperature
5,236
0
Color Index (B-V)
1
Position
19
Right Ascension
24
-41
Declination
-38
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Data sourced from HYG Database (Free for any purpose, including commercial).