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The European Astrometry Satellite, Hipparcos

Published online by Cambridge University Press:  30 March 2016

Erik Høg
Erik Høg*
Affiliation:
Copenhagen University Observatory, Denmark

Abstract

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A description of the instrument is given. It is expected to obtain positions, annual proper motions and parallaxes for 100 000 stars in a 2.5 years mission. The accuracy (s.e.) will be for stars of mB < 11 and about at mB=14. An extension of the mission to 3.5 years would improve the annual proper motion to for stars brighter than mB = 9.

Type
Joint Commission Meetings
Information
Highlights of Astronomy , Volume 5: Highlights of Astronomy. As presented at the XVIIth General Assembly of the IAU, 1979 , 1980 , pp. 783 - 787
Copyright
Copyright © Cambridge University Press 1980

References

Colloquium on European Satellite Astrometry, 1979, edited by Barbieri, C. and Bernacca, P.L., Instituto di Astronomia, Universita di Padova, from where the 300 pages volume may be purchased.Google Scholar