AchernarvsMesarthim
Mesarthim has a higher Declination (19 vs -57 °), while Mesarthim has a higher Absolute Magnitude (0 vs -3 mag), while Achernar has a higher Luminosity (1,052 vs 62 × Sun).
Brightness
0
Apparent Magnitude
4
-3
Absolute Magnitude
0
1,052
Luminosity
62
Physical Properties
139
Distance
164
12,650
Surface Temperature
10,752
0
Color Index (B-V)
0
Position
2
Right Ascension
2
-57
Declination
19
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Data sourced from HYG Database (Free for any purpose, including commercial).