AlrubavsBuna
Buna has a higher Absolute Magnitude (3 vs 0 mag), while Buna has a higher Color Index (B-V) (1 vs 0), while Alruba has a higher Luminosity (117 vs 4 × Sun).
Brightness
6
Apparent Magnitude
7
0
Absolute Magnitude
3
117
Luminosity
4
Physical Properties
533
Distance
189
9,918
Surface Temperature
5,757
0
Color Index (B-V)
1
Position
18
Right Ascension
3
54
Declination
42
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Data sourced from HYG Database (Free for any purpose, including commercial).