AchernarvsCitadelle
Citadelle has a higher Absolute Magnitude (2 vs -3 mag), while Citadelle has a higher Declination (14 vs -57 °), while Citadelle has a higher Color Index (B-V) (1 vs 0).
Brightness
0
Apparent Magnitude
8
-3
Absolute Magnitude
2
1,052
Luminosity
10
Physical Properties
139
Distance
519
12,650
Surface Temperature
4,943
0
Color Index (B-V)
1
Position
2
Right Ascension
0
-57
Declination
14
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Data sourced from HYG Database (Free for any purpose, including commercial).