Barnard's star(redirected from Barnard's Runaway Star)
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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.
[After Edward Emerson Barnard (1857-1923), American astronomer who discovered it.]
(Celestial Objects) a red dwarf star in the constellation Ophiuchus having the largest proper motion known
[C20: named after Edward Emerson barnard]