Astronomisches Rechen-Institut Heidelberg

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ARI-Heidelberg Mitteilungen Serie A, No. 200

Author(s): Wielen, R.
Title: Precise Proper Motions and Positions of Stars from a Combination of Fundamental Catalogues with the HIPPARCOS Catalogue
Source: In: Mapping the Sky. Proc. IAU Symp. 133, Paris, France, 1-5 June 1987; S. Debarbat, J.A. Eddy, H.K. Eichhorn, A.R. Upgren (eds.), Kluwer, Dordrecht, p. 293-299
Year: 1988
Abstract: A combination of the HIPPARCOS catalogue with fundamental catalogues, such as the basic FK5, shall provide, for the common stars, proper motions (and derived positions) which are significantly more accurate (by a factor of up to 5) than those in the original catalogues. For many other stars, the ground-based observations would also be suited for improving the HIPPARCOS proper motions considerably.
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