AntaresvsCastor
Castor has a higher Declination (32 vs -26 °), while Castor has a higher Absolute Magnitude (1 vs -5 mag), while Antares has a higher Luminosity (9,454 vs 49 × Sun).
Brightness
1
Apparent Magnitude
2
-5
Absolute Magnitude
1
9,454
Luminosity
49
Physical Properties
554
Distance
51
3,316
Surface Temperature
9,720
2
Color Index (B-V)
0
Position
16
Right Ascension
8
-26
Declination
32
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Data sourced from HYG Database (Free for any purpose, including commercial).