AlkaphrahvsMirach
Mirach has a higher Color Index (B-V) (2 vs 0), while Alkaphrah has a higher Right Ascension (9 vs 1 h), while Alkaphrah has a higher Surface Temperature (10,039 vs 3,683 K).
Brightness
4
Apparent Magnitude
2
-2
Absolute Magnitude
-2
393
Luminosity
474
Physical Properties
358
Distance
197
10,039
Surface Temperature
3,683
0
Color Index (B-V)
2
Position
9
Right Ascension
1
47
Declination
36
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Data sourced from HYG Database (Free for any purpose, including commercial).