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Performances of the HIPPARCOS Data Reduction on the Great Circle

Published online by Cambridge University Press:  30 March 2016

J. Kovalevsky ,
C. Petersen ,
H. Van Der Marel  and
F. Donati
J. Kovalevsky
Affiliation:
Observatoire de la Côte d’Azur – CERGA – Avenue Copernic – F – 06130 Grasse
C. Petersen
Affiliation:
Copenhagen University Observatory – Oestervoldgade 3 – DK-1350 Copenhagen
H. Van Der Marel
Affiliation:
Delft University of Technology – Thisseweg 11 – NL-2629 Delft
F. Donati
Affiliation:
Centro di Studi Sui Sistemi – Via Vincenzo Vela, 27-1-10128 Torino

Extract

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The procedures used to reduce the Hipparcos data in both FAST and NDAC consortia follow the so-called three step procedure described in 1976 by L. Lindegren (unpublished). It consists in a first place to treat data collected during a few hours and, since the sky scanning is only slowly drifting, deduce the abscissae of observed stars on a given mean great circle, called the reference great circle (RGC). The object of this presentation is to discuss the quality of the results obtained at this stage of the reduction. The results presented here are, we believe, representative of the 3000 or so great circle reductions that shall be made during the full data treatment.

Type
Joint Discussions
Information
Highlights of Astronomy , Volume 9: Highlights of Astronomy. As presented at the XXIst General Assembly of the IAU, 1991 , 1992 , pp. 409 - 412
Copyright
Copyright © Kluwer 1992

References

Van Daalen, D.T. and Van der Marel, H., 1986, Manuscripta Geodetica, 11, p. 146.Google Scholar
Van der Marel, H., Van Daalen, D.T. and Petersen, C., 1989, in “The HIPPARCOS Mission”, Perryman, M.A.C. et al. (eds.), ESA publication SP 1111, p. 93.Google Scholar