AchernarvsFomalhaut
Fomalhaut has a higher Color Index (B-V) (0 vs 0), while Fomalhaut has a higher Absolute Magnitude (2 vs -3 mag), while Achernar has a higher Luminosity (1,052 vs 18 × Sun).
Brightness
0
Apparent Magnitude
1
-3
Absolute Magnitude
2
1,052
Luminosity
18
Physical Properties
139
Distance
25
12,650
Surface Temperature
8,615
0
Color Index (B-V)
0
Position
2
Right Ascension
23
-57
Declination
-30
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Data sourced from HYG Database (Free for any purpose, including commercial).