AlpheccavsBuna
Buna has a higher Color Index (B-V) (1 vs 0), while Alphecca has a higher Luminosity (60 vs 4 × Sun), while Buna has a higher Absolute Magnitude (3 vs 0 mag).
Brightness
2
Apparent Magnitude
7
0
Absolute Magnitude
3
60
Luminosity
4
Physical Properties
75
Distance
189
9,743
Surface Temperature
5,757
0
Color Index (B-V)
1
Position
16
Right Ascension
3
27
Declination
42
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Data sourced from HYG Database (Free for any purpose, including commercial).