position angle

British  

noun

1. the direction in which one object lies relative to another on the celestial sphere, measured in degrees from north in an easterly direction

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Example Sentences

See Examples For:

position angle

The orbital swing is also very apparent in the change of the position angle.

From Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers by Garrett Putman Serviss

This ring is necessary in order to allow the rods to follow the micrometer heads when the position angle is changed.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

The circles for position angle and declination are read by micrometer-microscopes illuminated by the lamp L; the scales are illuminated by the lamp l.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

In 1801, April 17, Herschel describes an interior satellite in the position angle 189°, distant 18″ from the planet.

From Sir William Herschel: His Life and Works by Edward Singleton Holden

Great care has been taken in determining the position, angle, and heights of the prominences in all cases.

From Autobiography of Sir George Biddell Airy by George Biddell Airy

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