AlkaphrahvsAlterf
Alterf has a higher Color Index (B-V) (2 vs 0), while Alkaphrah has a higher Surface Temperature (10,039 vs 3,733 K), while Alkaphrah has a higher Luminosity (393 vs 166 × Sun).
Brightness
4
Apparent Magnitude
4
-2
Absolute Magnitude
-1
393
Luminosity
166
Physical Properties
358
Distance
329
10,039
Surface Temperature
3,733
0
Color Index (B-V)
2
Position
9
Right Ascension
10
47
Declination
23
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Data sourced from HYG Database (Free for any purpose, including commercial).