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Examination of the Hipparcos Proper Motion System from Lunar Occultation Analysis

Published online by Cambridge University Press:  12 April 2016

Mitsuru Sôma
Mitsuru Sôma*
Affiliation:
National Astronomical Observatory, Mitaka, Tokyo 181-8588, Japan somamt@cc.nao.ac.jp

Abstract

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Lunar occultations were analyzed to detect errors in the proper motion system of the Hipparcos frame. The analysis suggests much larger errors in the rotation of the Hipparcos reference frame than those explained by the Hipparcos team, which were determined from the direct comparison between the Hipparcos and FK5 catalogs.

Type
Section 1. Celestial Reference System and Frame
Information
International Astronomical Union Colloquium , Volume 180: Towards Models and Constants for Sub-Microarcsecond Astrometry , March 2000 , pp. 115 - 119
Copyright
Copyright © US Naval Observatory 2000

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