AtriavsCastor
Castor has a higher Declination (32 vs -69 °), while Castor has a higher Absolute Magnitude (1 vs -3 mag), while Atria has a higher Luminosity (2,152 vs 49 × Sun).
Brightness
2
Apparent Magnitude
2
-3
Absolute Magnitude
1
2,152
Luminosity
49
Physical Properties
391
Distance
51
3,875
Surface Temperature
9,720
1
Color Index (B-V)
0
Position
17
Right Ascension
8
-69
Declination
32
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Data sourced from HYG Database (Free for any purpose, including commercial).