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The Definition of the Terrestrial Coordinate Frame by Long Baseline Interferometry

Published online by Cambridge University Press:  12 April 2016

W. H. Cannon  and
M. G. Rochester
W. H. Cannon
Affiliation:
Centre for Research in Experimental Space Science and Physics Department, York University, Toronto, Ontario, Canada
M. G. Rochester
Affiliation:
Department of Physics, Memorial University of Newfoundland, St. Johns, Newfoundland, Canada

Abstract

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This paper examines the question of the definition of the celestial and terrestrial coordinate frames by the technique of long baseline interferometry. It demonstrates how the celestial coordinate frame may be usefully defined in terms of basis 1-forms associated with the advancing phase fronts of the radiation fields from compact radio sources using only interferometer observables. The paper then proceeds to show how the terrestrial coordinate frame could be usefully defined, incorporating fully the effects of plate tectonics and secular motion of the observatories, by an application of the theory of continuum mechanics to interferometer observations.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 56: Reference Coordinate Systems for Earth Dynamics , August 1980 , pp. 111 - 118
Copyright
Copyright © Reidel 1981

References

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