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Towards the Definition of a Unified Celestial Optical/Radio Reference Frame
Published online by Cambridge University Press: 03 August 2017
Abstract
An almost inertial celestial reference frame based upon extragalactic sources is in the process of being established. This reference frame is to be global with a minimum density of one source/100 square degrees. The source positions will be based upon radio observations and will allow optical reference frames to be related to this frame at the 0.03 arc second level.
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- Astrometry
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- Copyright © Reidel 1988
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