Castor BvsScheat
Castor B has a higher Absolute Magnitude (2 vs -1 mag), while Scheat has a higher Luminosity (332 vs 16 × Sun), while Scheat has a higher Distance (196 vs 52 light-years).
Brightness
3
Apparent Magnitude
2
2
Absolute Magnitude
-1
16
Luminosity
332
Physical Properties
52
Distance
196
N/A
Surface Temperature
3,574
N/A
Color Index (B-V)
2
Position
8
Right Ascension
23
32
Declination
28
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Data sourced from HYG Database (Free for any purpose, including commercial).