Barnard's starBar·nard's star
A red dwarf star in the constellation Ophiuchus that, at a distance of 5.96 light years, is the fifth nearest star to Earth after the sun and the three stars in the Alpha Centauri system. Barnard's star has the largest proper motion yet observed for a star, 10.3 arcseconds per year.
Origin of Barnard's starAfter Edward Emerson Barnard, (1857–1923), American astronomer who discovered it.
Named for American astronomer E. E. Barnard, who measured its proper motion in 1916.