AlpheccavsMirach
Alphecca has a higher Absolute Magnitude (0 vs -2 mag), while Mirach has a higher Color Index (B-V) (2 vs 0), while Alphecca has a higher Right Ascension (16 vs 1 h).
Brightness
2
Apparent Magnitude
2
0
Absolute Magnitude
-2
60
Luminosity
474
Physical Properties
75
Distance
197
9,743
Surface Temperature
3,683
0
Color Index (B-V)
2
Position
16
Right Ascension
1
27
Declination
36
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Data sourced from HYG Database (Free for any purpose, including commercial).