AlkaphrahvsSubra
Subra has a higher Absolute Magnitude (1 vs -2 mag), while Subra has a higher Color Index (B-V) (1 vs 0), while Alkaphrah has a higher Luminosity (393 vs 54 × Sun).
Brightness
4
Apparent Magnitude
4
-2
Absolute Magnitude
1
393
Luminosity
54
Physical Properties
358
Distance
130
10,039
Surface Temperature
6,317
0
Color Index (B-V)
1
Position
9
Right Ascension
10
47
Declination
10
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Data sourced from HYG Database (Free for any purpose, including commercial).