AchernarvsAldebaran
Aldebaran has a higher Declination (17 vs -57 °), while Aldebaran has a higher Color Index (B-V) (2 vs 0), while Achernar has a higher Luminosity (1,052 vs 163 × Sun).
Brightness
0
Apparent Magnitude
1
-3
Absolute Magnitude
-1
1,052
Luminosity
163
Physical Properties
139
Distance
67
12,650
Surface Temperature
3,737
0
Color Index (B-V)
2
Position
2
Right Ascension
5
-57
Declination
17
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Data sourced from HYG Database (Free for any purpose, including commercial).