AliothvsKapteyn's Star
Alioth has a higher Declination (56 vs -45 °), while Kapteyn's Star has a higher Absolute Magnitude (11 vs 0 mag), while Kapteyn's Star has a higher Color Index (B-V) (2 vs 0).
Brightness
2
Apparent Magnitude
9
0
Absolute Magnitude
11
110
Luminosity
0
Physical Properties
83
Distance
13
10,408
Surface Temperature
3,730
0
Color Index (B-V)
2
Position
13
Right Ascension
5
56
Declination
-45
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Data sourced from HYG Database (Free for any purpose, including commercial).