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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 ?
However, in rate-tracking mode, the star field is continuously changing, and the use of star-matching software, such as that provided by astrometry.
Navy surface warfare officer and is currently the precise time and astrometry program manager at the Naval Meteorology and Oceanography Command.
Orbital mechanics expert Bill Gray realised that the spacecraft would effectively be lost, so he alerted observers pointing out the need for follow-up astrometry via a message on the Minor Planet Mailing List.
When Dustin Lang, a computer scientist at Princeton University, decided to harness the power of picture-posting astro-observers, he asked an online computer program called Astrometry.
New high precision radar astrometry measurements tracking its exact path show it poses no danger to the Earth for 100 years.
We are doing a ground-based optical astrometry survey for asteroids in a defined area of the night sky.
Relativity in astrometry, celestial mechanics and geodesy.
Bengt Stromgren was one of the first to use the photocell for astrometry, by which he managed to record accurate times of meridian transits (passages of a star through the observer's meridian) by monitoring the image of a star while it crossed a grid of parallel wires in the focal plane of a telescope.
Astrometry in the age of the next generation of large telescopes; proceedings.
Since 1972 the new space geodesy techniques (Doppler, VLBI) started and their results were combined in BIH with those by optical astrometry to determine Earth rotation paprameters.
The newest instrument--now under development at the Lowell Observatory's Anderson Mesa Station near Flagstaff--is the Navy Prototype Optical Interferometer, which will provide unprecedented ground-based astrometry data and images.
Although it's hardly a glamorous-sounding line of work, astrometry was a major activity at just about every professional observatory during the 19th and early 20th centuries.
NASA played down Hubble's ability to do spectroscopy and astrometry and to make ultraviolet observations.
This background material forms the basis for understanding relativistic reference frames, the celestial mechanics of N-body systems, and high-precision astrometry, navigation, and geodesy, which are then treated in the following five chapters.