AchernarvsOgma
Ogma has a higher Absolute Magnitude (4 vs -3 mag), while Ogma has a higher Declination (38 vs -57 °), while Ogma has a higher Color Index (B-V) (1 vs 0).
Brightness
0
Apparent Magnitude
8
-3
Absolute Magnitude
4
1,052
Luminosity
3
Physical Properties
139
Distance
259
12,650
Surface Temperature
5,925
0
Color Index (B-V)
1
Position
2
Right Ascension
17
-57
Declination
38
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Data sourced from HYG Database (Free for any purpose, including commercial).