NunkivsSika
Sika has a higher Absolute Magnitude (4 vs -2 mag), while Sika has a higher Color Index (B-V) (1 vs 0), while Nunki has a higher Luminosity (643 vs 2 × Sun).
Brightness
2
Apparent Magnitude
8
-2
Absolute Magnitude
4
643
Luminosity
2
Physical Properties
228
Distance
189
12,178
Surface Temperature
5,971
0
Color Index (B-V)
1
Position
19
Right Ascension
19
-26
Declination
-33
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Data sourced from HYG Database (Free for any purpose, including commercial).