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Priori Estimates of the FK5 Covariance Functions

Published online by Cambridge University Press:  07 August 2017

V. S. Gubanov  and
O. A. Titov
V. S. Gubanov
Affiliation:
Institute of Applied Astronomy 8, Zhdanovskaya st., St.-Petersburg, 197042, Russia
O. A. Titov
Affiliation:
Institute of Applied Astronomy 8, Zhdanovskaya st., St.-Petersburg, 197042, Russia

Abstract

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Covariance functions of individual differences of positions and proper motions of stars in the FK5 and FK4 catalogues are given. The application of these functions for the study of the FK5 system and for its further improvement are discussed.

Type
Celestial Reference Frame
Information
Symposium - International Astronomical Union , Volume 156: Developments in Astrometry and their Impacts on Astrophysics , 1993 , pp. 397 - 401
Copyright
Copyright © Kluwer 

References

Fricke, W., Lederle, T. and Schwan, H. (1988) ‘Fifth fundamental catalogue (FK5)’, Veroff. Astron. Rechen-Inst., Heidelberg, No 32, 1–23.Google Scholar
Gubanov, V. (1991) ‘Parametric adjustment of absolute astrometric observations’, Astrophysics and Space Science, 177, 475–481.Google Scholar
Gubanov, V. and Titov, O. (1992) ‘Covariance analysis of the fundamental catalogues’, Kinematics and Physics of Celestial Bodies, Allerton Press, New York (English translations) (in press).Google Scholar
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