ArcturusvsKapteyn's Star
Arcturus has a higher Declination (19 vs -45 °), while Kapteyn's Star has a higher Absolute Magnitude (11 vs 0 mag), while Kapteyn's Star has a higher Apparent Magnitude (9 vs 0 mag).
Brightness
0
Apparent Magnitude
9
0
Absolute Magnitude
11
116
Luminosity
0
Physical Properties
37
Distance
13
4,234
Surface Temperature
3,730
1
Color Index (B-V)
2
Position
14
Right Ascension
5
19
Declination
-45
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Data sourced from HYG Database (Free for any purpose, including commercial).