CastorvsFormosa
Formosa has a higher Color Index (B-V) (1 vs 0), while Formosa has a higher Distance (399 vs 51 light-years), while Formosa has a higher Apparent Magnitude (6 vs 2 mag).
Brightness
2
Apparent Magnitude
6
1
Absolute Magnitude
1
49
Luminosity
34
Physical Properties
51
Distance
399
9,720
Surface Temperature
4,719
0
Color Index (B-V)
1
Position
8
Right Ascension
12
32
Declination
20
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Data sourced from HYG Database (Free for any purpose, including commercial).