right ascension

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Related to right ascension: declination
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  • noun

Synonyms for right ascension

(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky

References in periodicals archive ?
The correction of the computed right ascension is then obtained from [DELTA][alpha] = -[DELTA]h, hence
The celestial coordinate system will allow students to chart objects in the sky using right ascension and declination, the equivalents of longitude and latitude on Earth.
According tok it, this group is moving at about 550 kilometers per second toward a point at right ascension 10.
February Sun & Planets Date Right Ascension Declination Sun 1 [20.
In the sky, "latitude" is called declination and "longitude" is called right ascension.