AchernarvsRukbat
Rukbat has a higher Absolute Magnitude (0 vs -3 mag), while Achernar has a higher Luminosity (1,052 vs 71 × Sun), while Rukbat has a higher Right Ascension (19 vs 2 h).
Brightness
0
Apparent Magnitude
4
-3
Absolute Magnitude
0
1,052
Luminosity
71
Physical Properties
139
Distance
182
12,650
Surface Temperature
11,658
0
Color Index (B-V)
0
Position
2
Right Ascension
19
-57
Declination
-41
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Data sourced from HYG Database (Free for any purpose, including commercial).