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A New Way of Tying Together the Hipparcos Frame to the VLBI Extragalactic Frame: Astrometric Observations of Stellar Maser Sources

Published online by Cambridge University Press:  04 August 2017

A. Baudry ,
J. M. Mazurier  and
Y. Requième
A. Baudry
Affiliation:
Observatoire de l'Université de Bordeaux et LA 352 du C.N.R.S. 33270 Floirac, France
J. M. Mazurier
Affiliation:
Observatoire de l'Université de Bordeaux et LA 352 du C.N.R.S. 33270 Floirac, France
Y. Requième
Affiliation:
Observatoire de l'Université de Bordeaux et LA 352 du C.N.R.S. 33270 Floirac, France

Extract

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The Hipparcos (H) reference system will contain 100 000 stars whose positions and proper motions will be known with an accuracy of 0″.002 and 0″.002/yr respectively. Because a residual rotation of the H system may exist and because a VLBI extragalactic frame is being constructed one must (i) determine an eventual rotation of the H rigid frame, (ii) link the H system to the VLBI extragalactic frame. VLBI observations at JPL (Fanselow et al., 1981) have provided a catalogue of about 100 quasars with internal accuracy of' ~ 0″.001.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 110: VLBI and Compact Radio Sources , 1984 , pp. 355 - 356
Copyright
Copyright © Reidel 1984 

References

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