AlkaphrahvsRukbat
Alkaphrah has a higher Declination (47 vs -41 °), while Rukbat has a higher Absolute Magnitude (0 vs -2 mag), while Alkaphrah has a higher Color Index (B-V) (0 vs 0).
Brightness
4
Apparent Magnitude
4
-2
Absolute Magnitude
0
393
Luminosity
71
Physical Properties
358
Distance
182
10,039
Surface Temperature
11,658
0
Color Index (B-V)
0
Position
9
Right Ascension
19
47
Declination
-41
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Data sourced from HYG Database (Free for any purpose, including commercial).