AchernarvsAlruba
Alruba has a higher Declination (54 vs -57 °), while Alruba has a higher Color Index (B-V) (0 vs 0), while Alruba has a higher Apparent Magnitude (6 vs 0 mag).
Brightness
0
Apparent Magnitude
6
-3
Absolute Magnitude
0
1,052
Luminosity
117
Physical Properties
139
Distance
533
12,650
Surface Temperature
9,918
0
Color Index (B-V)
0
Position
2
Right Ascension
18
-57
Declination
54
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Data sourced from HYG Database (Free for any purpose, including commercial).