AlfirkvsAlterf
Alterf has a higher Color Index (B-V) (2 vs 0), while Alfirk has a higher Luminosity (1,962 vs 166 × Sun), while Alterf has a higher Absolute Magnitude (-1 vs -3 mag).
Brightness
3
Apparent Magnitude
4
-3
Absolute Magnitude
-1
1,962
Luminosity
166
Physical Properties
685
Distance
329
13,609
Surface Temperature
3,733
0
Color Index (B-V)
2
Position
21
Right Ascension
10
71
Declination
23
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Data sourced from HYG Database (Free for any purpose, including commercial).