AlyavsCastor B
Castor B has a higher Declination (32 vs 4 °), while Alya has a higher Distance (155 vs 52 light-years), while Alya has a higher Right Ascension (19 vs 8 h).
Brightness
5
Apparent Magnitude
3
1
Absolute Magnitude
2
28
Luminosity
16
Physical Properties
155
Distance
52
8,478
Surface Temperature
N/A
0
Color Index (B-V)
N/A
Position
19
Right Ascension
8
4
Declination
32
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Data sourced from HYG Database (Free for any purpose, including commercial).