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Radio Astrometry

Published online by Cambridge University Press:  04 August 2017

K. J. Johnston
K. J. Johnston*
Affiliation:
E. O. Hulburt Center for Space Research, Naval Research Laboratory, Washington, D. C. 20375

Abstract

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Radio astrometry is now the premier astrometric technique for measuring the positions of celestial objects. The precision with which absolute positions can be determined is approaching a few milliarc-seconds. The progress towards establishing an almost inertial reference frame based upon the positions of extragalactic radio sources is reviewed as of June 1983. The outlook for relating this reference frame to optical reference frames is also reviewed.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 110: VLBI and Compact Radio Sources , 1984 , pp. 339 - 346
Copyright
Copyright © Reidel 1984 

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