Kapteyn's StarvsRegulus
Regulus has a higher Declination (12 vs -45 °), while Kapteyn's Star has a higher Color Index (B-V) (2 vs 0), while Kapteyn's Star has a higher Absolute Magnitude (11 vs -1 mag).
Brightness
9
Apparent Magnitude
1
11
Absolute Magnitude
-1
0
Luminosity
147
Physical Properties
13
Distance
79
3,730
Surface Temperature
11,359
2
Color Index (B-V)
0
Position
5
Right Ascension
10
-45
Declination
12
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Data sourced from HYG Database (Free for any purpose, including commercial).