Castor BvsSceptrum
Castor B has a higher Declination (32 vs -14 °), while Sceptrum has a higher Distance (110 vs 52 light-years), while Sceptrum has a higher Luminosity (28 vs 16 × Sun).
Brightness
3
Apparent Magnitude
4
2
Absolute Magnitude
1
16
Luminosity
28
Physical Properties
52
Distance
110
N/A
Surface Temperature
4,554
N/A
Color Index (B-V)
1
Position
8
Right Ascension
5
32
Declination
-14
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Data sourced from HYG Database (Free for any purpose, including commercial).