AchernarvsNihal
Nihal has a higher Color Index (B-V) (1 vs 0), while Achernar has a higher Luminosity (1,052 vs 158 × Sun), while Nihal has a higher Apparent Magnitude (3 vs 0 mag).
Brightness
0
Apparent Magnitude
3
-3
Absolute Magnitude
-1
1,052
Luminosity
158
Physical Properties
139
Distance
160
12,650
Surface Temperature
5,260
0
Color Index (B-V)
1
Position
2
Right Ascension
5
-57
Declination
-21
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Data sourced from HYG Database (Free for any purpose, including commercial).