AlpheratzvsMirach
Mirach has a higher Color Index (B-V) (2 vs 0), while Mirach has a higher Right Ascension (1 vs 0 h), while Alpheratz has a higher Absolute Magnitude (0 vs -2 mag).
Brightness
2
Apparent Magnitude
2
0
Absolute Magnitude
-2
114
Luminosity
474
Physical Properties
97
Distance
197
10,625
Surface Temperature
3,683
0
Color Index (B-V)
2
Position
0
Right Ascension
1
29
Declination
36
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Data sourced from HYG Database (Free for any purpose, including commercial).