AchernarvsAlfirk
Alfirk has a higher Declination (71 vs -57 °), while Alfirk has a higher Right Ascension (21 vs 2 h), while Alfirk has a higher Apparent Magnitude (3 vs 0 mag).
Brightness
0
Apparent Magnitude
3
-3
Absolute Magnitude
-3
1,052
Luminosity
1,962
Physical Properties
139
Distance
685
12,650
Surface Temperature
13,609
0
Color Index (B-V)
0
Position
2
Right Ascension
21
-57
Declination
71
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Data sourced from HYG Database (Free for any purpose, including commercial).