AlreschavsCastor
Castor has a higher Declination (32 vs 3 °), while Castor has a higher Right Ascension (8 vs 2 h), while Alrescha has a higher Distance (151 vs 51 light-years).
Brightness
4
Apparent Magnitude
2
1
Absolute Magnitude
1
55
Luminosity
49
Physical Properties
151
Distance
51
9,835
Surface Temperature
9,720
0
Color Index (B-V)
0
Position
2
Right Ascension
8
3
Declination
32
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Data sourced from HYG Database (Free for any purpose, including commercial).