Astronomisches Rechen-Institut Heidelberg

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ARI-Heidelberg Mitteilungen Serie A, No. 213

Author(s): Schwan, H.
Title: The FK5: Present Status and Some Derived Results
Source: In: Inertial Coordinate System on the Sky. Proc. IAU Symp. 141, Leningrad, USSR, 17-21 October 1989; J.H. Lieske, V.K. Abalakin (eds.), Kluwer, Dordrecht, p. 371-381
Year: 1990
Abstract: Work on all parts of the FK5 is near to completion. The Basic FK5 has been published in the course of 1989 so that this catalogue is now officially released; the data have been made available to the various data centres. Work on the bright part of the FK5 Extension is finished since the end of 1988 and a tape version was sent to various institutions on request. Work on the Faint Extension is also nearly finished and the complete FK5 Extension will presumably be available on magnetic tape in a few months. Some results obtained from new observations of FK5 stars are presented. Comparisons of the FK5 with FC, NFK, FK3, FK4, GC, N30 were performed and are discussed with respect to systematic and individual accuracy. The parameters of galactic rotation and precession, and the distance to the Hyades cluster have been derived using proper motions which were obtained within the work on the FK5.
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