Castor BvsNunki
Castor B has a higher Absolute Magnitude (2 vs -2 mag), while Castor B has a higher Declination (32 vs -26 °), while Nunki has a higher Luminosity (643 vs 16 × Sun).
Brightness
3
Apparent Magnitude
2
2
Absolute Magnitude
-2
16
Luminosity
643
Physical Properties
52
Distance
228
N/A
Surface Temperature
12,178
N/A
Color Index (B-V)
0
Position
8
Right Ascension
19
32
Declination
-26
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Data sourced from HYG Database (Free for any purpose, including commercial).