AchernarvsGrumium
Grumium has a higher Declination (57 vs -57 °), while Grumium has a higher Absolute Magnitude (1 vs -3 mag), while Grumium has a higher Color Index (B-V) (1 vs 0).
Brightness
0
Apparent Magnitude
4
-3
Absolute Magnitude
1
1,052
Luminosity
33
Physical Properties
139
Distance
113
12,650
Surface Temperature
4,354
0
Color Index (B-V)
1
Position
2
Right Ascension
18
-57
Declination
57
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Data sourced from HYG Database (Free for any purpose, including commercial).