AlfirkvsYildun
Yildun has a higher Absolute Magnitude (1 vs -3 mag), while Yildun has a higher Color Index (B-V) (0 vs 0), while Alfirk has a higher Luminosity (1,962 vs 44 × Sun).
Brightness
3
Apparent Magnitude
4
-3
Absolute Magnitude
1
1,962
Luminosity
44
Physical Properties
685
Distance
172
13,609
Surface Temperature
9,871
0
Color Index (B-V)
0
Position
21
Right Ascension
18
71
Declination
87
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Data sourced from HYG Database (Free for any purpose, including commercial).