Capella


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Capella

Capella, brightest star in the constellation Auriga; Bayer designation α Aurigae; 1992 position R.A. 5h16.1m, Dec. +45°59′. Capella is a yellow giant star of spectral class G8 III and is also a spectroscopic binary star with a component of spectral class F. Its apparent magnitude of 0.06 makes it the 6th-brightest star in the sky. Capella is about 45 light-years from the earth. Its name is from the Latin for “little she-goat.”
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Capella

(kă-pell -ă) (α Aur) A conspicuous yellow giant that is the brightest star in the constellation Auriga. It is a visual binary (period 104 days), of which the components can only be resolved in the largest telescopes. The star has a high lithium content. mv : 0.08; Mv : –0.4; spectral type: G6 III, G2 III; distance: 12.5 pc.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

Capella

[kə′pel·ə]
(astronomy)
A star that is 45 light-years from the sun; spectral classification G0IIIp. Also known as α Aurigae.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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