AchirdvsAlfirk
Achird has a higher Absolute Magnitude (5 vs -3 mag), while Achird has a higher Color Index (B-V) (1 vs 0), while Alfirk has a higher Luminosity (1,962 vs 1 × Sun).
Brightness
3
Apparent Magnitude
3
5
Absolute Magnitude
-3
1
Luminosity
1,962
Physical Properties
19
Distance
685
6,019
Surface Temperature
13,609
1
Color Index (B-V)
0
Position
1
Right Ascension
21
58
Declination
71
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Data sourced from HYG Database (Free for any purpose, including commercial).