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  • noun

Words related to astrometry

the branch of astronomy that deals with the measurement of the position and motion of celestial bodies

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References in periodicals archive ?
5x barlow lens giving a focal length of 3 000 mm, mounted on Skywatcher HEQ5 GOTO equatorial mount and a Meade Astrometric eyepiece.
Two further positions were reported to the Minor Planet Center, where astrometric observations for distant artificial satellites are collated.
The sensors are key components in the telescope's pointing control system which stabilize the observatory and work as astrometric instruments.
In 1978, photoplates taken with a 61-inch astrometric reflector telescope at the Flagstaff station led to the discovery of a moon circling the planet Pluto.
Astrometric measurements, unlike the Doppler method, determine the orientation of an orbiting body and can therefore gauge its true mass.
He has been involved in the development of astronomical ephemerides, relativistic dynamical time scales, space missions, and the applications of improved astrometric accuracy.
20 and posted on the NEOCP was found by other astrometric observers to be cometary on their CCD images.
Magda Streicher has set up and calibrated the Meade Astrometric eyepiece on the 400mm SCT and has started a formal programme of double star measurement, concentrating on one constellation at a time.
Part of the USNO PTA mission is to produce astrometric catalogs of the entire sky.
Along with gravimetry, astrometric determination of vertical (plumb line) deflections can give important contribution in determination of local geoid properties (Featherstone, Rueger 2000; Featherstone, Lichti 2009).
In the new study, the researchers describe how they used a new astrometric technique, in which the center-of-figure of non-spherical Deimos was determined by fitting the predicted limb (visible edge) of the satellite to the observed limb.
Among the topics are an overview of the Gaia Mission, a wide-field telescope in northern Arizona, astrometry and the virtual observatory, extracting sub-milliarcsecond parallaxes from Hipparcos data, NASA programs, the future of astrometric education, and the current state of scientific imagers for astronomy.
Astrometric observations obtained at the Institute have since been published regularly in the Minor Planet Circulars.