BrachiumvsCastor B
Castor B has a higher Absolute Magnitude (2 vs -1 mag), while Castor B has a higher Declination (32 vs -25 °), while Brachium has a higher Luminosity (341 vs 16 × Sun).
Brightness
3
Apparent Magnitude
3
-1
Absolute Magnitude
2
341
Luminosity
16
Physical Properties
288
Distance
52
3,549
Surface Temperature
N/A
2
Color Index (B-V)
N/A
Position
15
Right Ascension
8
-25
Declination
32
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Data sourced from HYG Database (Free for any purpose, including commercial).