AchernarvsCastula
Castula has a higher Declination (59 vs -57 °), while Castula has a higher Absolute Magnitude (1 vs -3 mag), while Castula has a higher Color Index (B-V) (1 vs 0).
Brightness
0
Apparent Magnitude
5
-3
Absolute Magnitude
1
1,052
Luminosity
46
Physical Properties
139
Distance
200
12,650
Surface Temperature
4,848
0
Color Index (B-V)
1
Position
2
Right Ascension
1
-57
Declination
59
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Data sourced from HYG Database (Free for any purpose, including commercial).