AchernarvsBubup
Bubup has a higher Absolute Magnitude (4 vs -3 mag), while Bubup has a higher Color Index (B-V) (1 vs 0), while Achernar has a higher Luminosity (1,052 vs 3 × Sun).
Brightness
0
Apparent Magnitude
7
-3
Absolute Magnitude
4
1,052
Luminosity
3
Physical Properties
139
Distance
125
12,650
Surface Temperature
6,031
0
Color Index (B-V)
1
Position
2
Right Ascension
6
-57
Declination
-74
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Data sourced from HYG Database (Free for any purpose, including commercial).