celestial equator system of coordinates

celestial equator system of coordinates

[sə′les·chəl i′kwād·ər ¦sis·təm əv kō′ȯrd·nəts]

(astronomy)

equatorial system

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

equatorial system

A set of celestial coordinates based on the celestial equator as the primary great circle. It is usually expressed as declination and an hour angle or a sidereal hour angle. Also called an equinoctial system of coordinates or a celestial equator system of coordinates. See also celestial equator.

An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved