Castor BvsMaasym
Castor B has a higher Absolute Magnitude (2 vs -1 mag), while Maasym has a higher Luminosity (192 vs 16 × Sun), while Maasym has a higher Distance (369 vs 52 light-years).
Brightness
3
Apparent Magnitude
4
2
Absolute Magnitude
-1
16
Luminosity
192
Physical Properties
52
Distance
369
N/A
Surface Temperature
3,896
N/A
Color Index (B-V)
1
Position
8
Right Ascension
18
32
Declination
26
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Data sourced from HYG Database (Free for any purpose, including commercial).