polar distance

American  

noun

Astronomy.

1. codeclination.

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polar distance British  

noun

1. Also called: codeclination.  the angular distance of a star, planet, etc, from the celestial pole; the complement of the declination

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Etymology

Origin of polar distance

First recorded in 1810–20

Example Sentences

See Examples For:

polar distance

Instead of it is frequently used the complementary angle ZOP, known as the polar distance of the body.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" by Various

The axis of rotation AB bears a rigidly attached rod DBC inclined to it at an angle equal to the sun’s polar distance.

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

A manuscript catalogue of all the nebulæ and clusters, reduced to 1,800, and arranged in zones of 1° in polar distance; by Miss Carolina Herschel.

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

I hope, some day, myself to have another instrument made with a more readily changeable polar distance, with trace and guide points working in the same vertical, and a wheel permitting of inverse summation.

From Scientific American Supplement, No. 794, March 21, 1891 by Various

This is due to the increase in declination, or decrease in the star's polar distance.

From Scientific American Supplement, No. 360, November 25, 1882 by Various