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Uses and Required Characteristics of Reference Frames for Galactic Astronomy

Published online by Cambridge University Press:  30 March 2016

Roland Wielen
Roland Wielen*
Affiliation:
Astronomisches Rechen-Institut, Heidelberg, Germany

Abstract

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Galactic astronomy requires mainly accurate proper motions of stars, referred to a system which represents an inertial system as closely as possible. We discuss the required accuracy, give an outlook on forthcoming reference frames of use for galactic astronomy, and discuss observationally determined upper limits on the rotation of the extra-galactic reference frame.

Type
Joint Discussions
Information
Highlights of Astronomy , Volume 7: Highlights of Astronomy. As presented at the XIXth General Assembly of the IAU, 1985 , 1986 , pp. 51 - 54
Copyright
Copyright © Reidel 1986

References

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