RukbatvsSika
Sika has a higher Color Index (B-V) (1 vs 0), while Rukbat has a higher Luminosity (71 vs 2 × Sun), while Sika has a higher Absolute Magnitude (4 vs 0 mag).
Brightness
4
Apparent Magnitude
8
0
Absolute Magnitude
4
71
Luminosity
2
Physical Properties
182
Distance
189
11,658
Surface Temperature
5,971
0
Color Index (B-V)
1
Position
19
Right Ascension
19
-41
Declination
-33
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Data sourced from HYG Database (Free for any purpose, including commercial).