AlnilamvsCastula
Castula has a higher Color Index (B-V) (1 vs 0), while Castula has a higher Absolute Magnitude (1 vs -7 mag), while Castula has a higher Declination (59 vs -1 °).
Brightness
2
Apparent Magnitude
5
-7
Absolute Magnitude
1
67,484
Luminosity
46
Physical Properties
1,977
Distance
200
13,211
Surface Temperature
4,848
0
Color Index (B-V)
1
Position
6
Right Ascension
1
-1
Declination
59
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Data sourced from HYG Database (Free for any purpose, including commercial).