hour angle
|
noun Astronomy.
the angle, measured westward through 360°, between the celestial meridian of an observer and the hour circle of a celestial body.
Compare sidereal hour angle.
Origin of hour angle
First recorded in 1830–40
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for hour angle
Historical Examples of hour angle
Otherwise, the confusion of the azimuth with the hour-angle might cause a considerable error.
Chaucer's Works, Volume 3 (of 7)Geoffrey Chaucer
hour angle
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
hour angle
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.