celestial azimuth

celestial azimuth
The angle measured clockwise (from north through east) from the plane of the vertical circle through the body. See celestial altitude.

Aviation dictionary. 2014.

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  • Azimuth — (Audio IPA|lang=US English|en us azimuth.ogg|ˈæzɪməθ) is a mathematical concept defined as the angle, usually measured in degrees (°), between a reference plane and a point. This concept is used in many practical applications including navigation …   Wikipedia

  • Celestial navigation — Celestial navigation, also known as astronavigation, is a position fixing technique that was devised to help sailors cross the featureless oceans without having to rely on dead reckoning to enable them to strike land. Celestial navigation uses… …   Wikipedia

  • azimuth — ► NOUN Astronomy ▪ the horizontal direction of a celestial object, measured from the north or south point of the horizon. DERIVATIVES azimuthal adjective. ORIGIN Arabic, the way, direction …   English terms dictionary

  • Celestial coordinate system — For other uses of Celestial , see Celestial (disambiguation). Orientation of Astronomical Coordinates Orientation of the galactic, ecliptic and equatorial coordinate systems, projected on the celestial sphere, showing the galactic equator (black) …   Wikipedia

  • azimuth — i. A direction expressed as a horizontal angle, usually in degrees, measured clockwise from a reference datum or direction, usually north. The azimuth will be a true zenith, grid azimuth, magnetic azimuth, or relative azimuth, depending upon… …   Aviation dictionary

  • azimuth circle — noun 1. : one of the great circles of the celestial sphere intersecting each other in the zenith and nadir called also vertical circle; compare meridian 2 2. : a horizontal graduated circle for indicating azimuth (as one having sight vanes and… …   Useful english dictionary

  • celestial coordinates — Set of numbers used to pinpoint the position in the sky (see celestial sphere) of a celestial object. Coordinate systems used include the horizon system (altitude and azimuth), galactic coordinates, the ecliptic system (measured relative to the… …   Universalium

  • azimuth compass — noun : a compass resembling the mariner s compass and having vertical sights used for taking the magnetic azimuth of a celestial body …   Useful english dictionary

  • celestial precomputation — The solution of the celestial triangle for altitude and azimuth for a future time and position …   Aviation dictionary

  • azimuth — /ˈæzəməθ / (say azuhmuhth) noun 1. Astronomy, Navigation the arc of the horizon from the celestial meridian to the foot of the great circle passing through the zenith, the nadir, and the point of the celestial sphere in question (in astronomy… …  

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