Barnard's Star

Ophiuchus

9.51
Apparent Mag
5.958
Distance (ly)
M4Ve
Spectral Type
3,134
Temperature (K)

Barnard's Star is the closest star to the Sun after the Alpha Centauri system. It has the largest proper motion of any star, moving 10.3 arcseconds per year.

Stellar Data

Apparent Magnitude9.51
Absolute Magnitude13.22
Distance5.958 light-years
Spectral TypeM4Ve
Temperature3,134 K
Luminosity0.004 L☉
Radius0.196 R☉
Mass0.144 M☉
Right Ascension17h 57m 48.5s
Declination+04° 41′ 36.1″
ConstellationOphiuchus

Notable Facts

  • Barnard's Star has the highest proper motion at 10.3 arcseconds per year
  • It is the closest star after the Alpha Centauri system
  • A candidate super-Earth exoplanet was reported in 2018

More Stars in Ophiuchus

View constellation