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Quasar Link Conditions for Hipparcos1

Published online by Cambridge University Press:  12 April 2016

P. Brosche ,
C. Ducourant ,
R. Galas ,
M. Geffert  and
A. Karafistan
P. Brosche
Affiliation:
Sternwarte der Universität Bonn Auf dem Hügel 71, D-5300 Bonn, FRG
C. Ducourant
Affiliation:
Sternwarte der Universität Bonn Auf dem Hügel 71, D-5300 Bonn, FRG
R. Galas
Affiliation:
Sternwarte der Universität Bonn Auf dem Hügel 71, D-5300 Bonn, FRG
M. Geffert
Affiliation:
Sternwarte der Universität Bonn Auf dem Hügel 71, D-5300 Bonn, FRG
A. Karafistan
Affiliation:
Sternwarte der Universität Bonn Auf dem Hügel 71, D-5300 Bonn, FRG

Abstract

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Fictitious proper motioms of quasars and of their surrounding stars have been determined based on plates with an epoch difference of up to 90 years. From the fact that the true proper motions of the quasar are vanishingly small, we obtain conditions for the extragalactic calibration of the preliminary Hipparcos system. We present results for the fields of 3C 273, OQ 208, 3C 371 and 3C 390.3. With the data it is possible to achieve the link with random errors smaller than 0₺ 15 per century.

Type
Part 2. Poster Papers
Information
International Astronomical Union Colloquium , Volume 127: Reference Systems , 1991 , pp. 215
Copyright
Copyright © United States Naval Observatory 1991

Footnotes

1

Accepted for publication in Astron.Astrophys., 1990.

References

1 Accepted for publication in Astron.Astrophys., 1990.