equatorial coordinate system

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Related to Equatorial Coordinates: Celestial coordinates

equatorial coordinate system

n.
A celestial coordinate system in which an object's position on the celestial sphere is described in terms of its north-south declination and east-west right ascension, measured relative to the celestial equator and vernal equinox, respectively.
References in periodicals archive ?
But when it came to practical observation, the measurement of ecliptical coordinates was more complicated than the equatorial coordinates.
Such an auxiliary coordinate system may be a 3D Cartesian horizontal coordinate system with its origin at the position of the measurement instrument, Geodetic or 3D Cartesian geocentric equatorial coordinates of point should be known for relating observations to the geodetic coordinate system.
In equations (2), parameters [alpha] and [delta] are the equatorial coordinates, right ascension and declination respectively.
6 after its equatorial coordinates in the Two Micron All Sky Survey (2MASS) catalog, in a study with the 2.
In case of equatorial coordinates this dependence is expressed as follows:
More or less a contemporary of Ptolemy, he pioneered celestial cartography and probably invented rectangular equatorial coordinates, but his star maps were lost in the 3rd century AD.
Stars extracted from the images must be identified with the star catalogue to obtain their equatorial coordinates [alpha], [delta].
The upper-left corner of the display serves as a status area and constantly shows the equatorial coordinates of the cursor and the angular dimensions of the field.
Other applets calculate Equatorial coordinates and precession, and offer Julian date calendar conversion.
The data were difficult to work with because they were available neither in machine-readable form nor in equatorial coordinates (a few observatories did include equatorial coordinates in their publications).
Then comes the long Table of Telescopic Objects giving for each entry names, equatorial coordinates (equinox 2000.
Want to convert a star's equatorial coordinates to galactic ones?