AchernarvsAlnair
Alnair has a higher Right Ascension (22 vs 2 h), while Achernar has a higher Luminosity (1,052 vs 170 × Sun), while Alnair has a higher Apparent Magnitude (2 vs 0 mag).
Brightness
0
Apparent Magnitude
2
-3
Absolute Magnitude
-1
1,052
Luminosity
170
Physical Properties
139
Distance
101
12,650
Surface Temperature
11,092
0
Color Index (B-V)
0
Position
2
Right Ascension
22
-57
Declination
-47
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Data sourced from HYG Database (Free for any purpose, including commercial).