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Permanent Milliarcsecond Link of Celestial and Terrestrial Reference Systems

Published online by Cambridge University Press:  12 April 2016

M. Feissel
M. Feissel*
Affiliation:
Observatoire de Paris, Central Bureau of IERS

Abstract

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The celestial reference system and the terrestial reference system of the International Earth Rotation Service (IERS) are realized on the basis of observation programs in Very Long Baseline radio Interferometry and laser ranging to the Moon and artificial satellites. The celestial frame is materialized by the equatorial coordinates of radio sources observed in VLBI; the terrestrial frame is materialized by the cartesian coordinates of the terrestrial sites monitored by the three techniques. Series of the Earth Orientation Parameters are derived from the same observations. These series provide a permanent link between the celestial system and the terrestrial system at the level of 0.001”.

The global adjustment in which the reference systems are defined and realized is described, and the metrological properties of the frames and of the derived EOP are evaluated.

Type
Part 1. Oral Papers
Information
International Astronomical Union Colloquium , Volume 127: Reference Systems , 1991 , pp. 101 - 107
Copyright
Copyright © United States Naval Observatory 1991

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