11.13
Apparent Mag4.244
Distance (ly)M5.5Ve
Spectral Type3,042
Temperature (K)Proxima Centauri is the closest known star to the Sun at just 4.244 light-years. It is a small red dwarf too faint to see with the naked eye, with at least two confirmed exoplanets including Proxima b in the habitable zone.
Stellar Data
Apparent Magnitude11.13
Absolute Magnitude15.6
Distance4.244 light-years
Spectral TypeM5.5Ve
Temperature3,042 K
Luminosity0.002 L☉
Radius0.1542 R☉
Mass0.1221 M☉
Right Ascension14h 29m 42.9s
Declination-62° 40′ 46.1″
ConstellationCentaurus
Notable Facts
- Proxima Centauri is the closest star to the Sun at 4.244 light-years
- It hosts Proxima b, an Earth-mass planet in the habitable zone
- Despite being the nearest star, it is invisible to the naked eye at magnitude 11.13