Castor BvsImai
Castor B has a higher Absolute Magnitude (2 vs -2 mag), while Castor B has a higher Declination (32 vs -59 °), while Imai has a higher Luminosity (747 vs 16 × Sun).
Brightness
3
Apparent Magnitude
3
2
Absolute Magnitude
-2
16
Luminosity
747
Physical Properties
52
Distance
345
N/A
Surface Temperature
13,418
N/A
Color Index (B-V)
0
Position
8
Right Ascension
12
32
Declination
-59
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Data sourced from HYG Database (Free for any purpose, including commercial).