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Corrected GSC: Reference catalogue for CCD observations. Now

Published online by Cambridge University Press:  25 May 2016

A. Lopez Garcia  and
L.I. Yagudin
A. Lopez Garcia
Affiliation:
Valencia University Observatory. Dept. Astronomy and Astrophysics, Valencia, Spain
L.I. Yagudin
Affiliation:
Pulkovo Observatory, Pulkovo, St. Petersburg, Russia

Abstract

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Astrometrical properties of the Hubble Space Telescope Guide Star Catalogue (GSC) were recently investigated by the same authors through its comparison with the PPM catalogue. In this paper, a new systematic plate-based magnitude dependent error produced by telescope optics and by the incompleteness of plate reduction model has been found after applying a simplified block adjustment procedure. New subroutine for correction of all systematic errors is developed and GSC can be used now as a dense reference catalogue on about 0.4″ accuracy level.

Type
Part XI - Reference Frames. Stellar Astrometry
Information
Symposium - International Astronomical Union , Volume 172: Dynamics, Ephemerides and Astrometry of the Solar System , 1996 , pp. 483 - 486
Copyright
Copyright © Kluwer 1996 

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