8.85
Apparent Mag12.76
Distance (ly)M1VI
Spectral Type3,550
Temperature (K)Kapteyn's Star is a nearby red subdwarf with the highest proper motion of any star until Barnard's Star was measured. It belongs to the galactic halo.
Stellar Data
Apparent Magnitude8.85
Absolute Magnitude10.87
Distance12.76 light-years
Spectral TypeM1VI
Temperature3,550 K
Luminosity0.012 L☉
Radius0.291 R☉
Mass0.281 M☉
Right Ascension05h 11m 40.6s
Declination-45° 01′ 06.3″
ConstellationPictor
Notable Facts
- Kapteyn's Star belongs to the galactic halo, not the disk
- It has the second-highest proper motion after Barnard's Star
- Two super-Earth candidates have been proposed