AchernarvsAlhena
Alhena has a higher Declination (16 vs -57 °), while Alhena has a higher Color Index (B-V) (0 vs 0), while Achernar has a higher Luminosity (1,052 vs 165 × Sun).
Brightness
0
Apparent Magnitude
2
-3
Absolute Magnitude
-1
1,052
Luminosity
165
Physical Properties
139
Distance
109
12,650
Surface Temperature
10,113
0
Color Index (B-V)
0
Position
2
Right Ascension
7
-57
Declination
16
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Data sourced from HYG Database (Free for any purpose, including commercial).