AcruxvsSika
Sika has a higher Absolute Magnitude (4 vs -4 mag), while Sika has a higher Color Index (B-V) (1 vs 0), while Acrux has a higher Luminosity (4,176 vs 2 × Sun).
Brightness
1
Apparent Magnitude
8
-4
Absolute Magnitude
4
4,176
Luminosity
2
Physical Properties
322
Distance
189
14,719
Surface Temperature
5,971
0
Color Index (B-V)
1
Position
12
Right Ascension
19
-63
Declination
-33
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Data sourced from HYG Database (Free for any purpose, including commercial).