AchernarvsKapteyn's Star
Kapteyn's Star has a higher Absolute Magnitude (11 vs -3 mag), while Kapteyn's Star has a higher Color Index (B-V) (2 vs 0), while Achernar has a higher Luminosity (1,052 vs 0 × Sun).
Brightness
0
Apparent Magnitude
9
-3
Absolute Magnitude
11
1,052
Luminosity
0
Physical Properties
139
Distance
13
12,650
Surface Temperature
3,730
0
Color Index (B-V)
2
Position
2
Right Ascension
5
-57
Declination
-45
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Data sourced from HYG Database (Free for any purpose, including commercial).