AchernarvsArcturus
Arcturus has a higher Declination (19 vs -57 °), while Arcturus has a higher Color Index (B-V) (1 vs 0), while Achernar has a higher Apparent Magnitude (0 vs 0 mag).
Brightness
0
Apparent Magnitude
0
-3
Absolute Magnitude
0
1,052
Luminosity
116
Physical Properties
139
Distance
37
12,650
Surface Temperature
4,234
0
Color Index (B-V)
1
Position
2
Right Ascension
14
-57
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).