GacruxvsNunki
Gacrux has a higher Color Index (B-V) (2 vs 0), while Nunki has a higher Luminosity (643 vs 148 × Sun), while Gacrux has a higher Absolute Magnitude (-1 vs -2 mag).
Brightness
2
Apparent Magnitude
2
-1
Absolute Magnitude
-2
148
Luminosity
643
Physical Properties
89
Distance
228
3,649
Surface Temperature
12,178
2
Color Index (B-V)
0
Position
13
Right Ascension
19
-57
Declination
-26
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Data sourced from HYG Database (Free for any purpose, including commercial).