Barnard's star
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Related to Barnard's star: Proxima Centauri
Bar·nard's star
(bär′nərdz)n.
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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Barnard's star
n
(Celestial Objects) a red dwarf star in the constellation Ophiuchus having the largest proper motion known
[C20: named after Edward Emerson barnard]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014