AchernarvsAludra
Aludra has a higher Luminosity (33,916 vs 1,052 × Sun), while Aludra has a higher Distance (1,989 vs 139 light-years), while Aludra has a higher Apparent Magnitude (2 vs 0 mag).
Brightness
0
Apparent Magnitude
2
-3
Absolute Magnitude
-6
1,052
Luminosity
33,916
Physical Properties
139
Distance
1,989
12,650
Surface Temperature
11,295
0
Color Index (B-V)
0
Position
2
Right Ascension
7
-57
Declination
-29
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Data sourced from HYG Database (Free for any purpose, including commercial).