Alioth

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Related to Epsilon Ursae Majoris: Alpha Ursae Majoris

Alioth

(al -ee-oth) (∊ UMa) A white spectroscopic binary, period 4.15 years, that is the brightest star in the constellation Ursa Major. It is a spectrum variable star. mv : 1.78; spectral type: A0p; distance: 19 pc. See also Plough.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

Alioth

[′al·ē‚äth]
(astronomy)
Traditional name for a second-magnitude star in the Big Dipper; the star ε Ursae Majoris.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.