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Uses and Required Characteristics of Reference Frames for Galactic Astronomy
Published online by Cambridge University Press: 30 March 2016
Abstract
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.
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- Copyright © Reidel 1986