AlpheccavsPropus
Alphecca has a higher Absolute Magnitude (0 vs -2 mag), while Propus has a higher Color Index (B-V) (2 vs 0), while Propus has a higher Luminosity (574 vs 60 × Sun).
Brightness
2
Apparent Magnitude
3
0
Absolute Magnitude
-2
60
Luminosity
574
Physical Properties
75
Distance
385
9,743
Surface Temperature
3,649
0
Color Index (B-V)
2
Position
16
Right Ascension
6
27
Declination
23
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Data sourced from HYG Database (Free for any purpose, including commercial).