ArnebvsCastor B
Castor B has a higher Declination (32 vs -18 °), while Castor B has a higher Absolute Magnitude (2 vs -7 mag), while Arneb has a higher Luminosity (37,428 vs 16 × Sun).
Brightness
3
Apparent Magnitude
3
-7
Absolute Magnitude
2
37,428
Luminosity
16
Physical Properties
2,219
Distance
52
8,079
Surface Temperature
N/A
0
Color Index (B-V)
N/A
Position
6
Right Ascension
8
-18
Declination
32
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Data sourced from HYG Database (Free for any purpose, including commercial).