Castor BvsIzar
Castor B has a higher Absolute Magnitude (2 vs -2 mag), while Izar has a higher Luminosity (386 vs 16 × Sun), while Izar has a higher Distance (203 vs 52 light-years).
Brightness
3
Apparent Magnitude
2
2
Absolute Magnitude
-2
16
Luminosity
386
Physical Properties
52
Distance
203
N/A
Surface Temperature
4,826
N/A
Color Index (B-V)
1
Position
8
Right Ascension
15
32
Declination
27
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Data sourced from HYG Database (Free for any purpose, including commercial).