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A formal approach to stellar positions in solar barycentric coordinates

Published online by Cambridge University Press:  04 August 2017

J.F. Lestrade*
Affiliation:
Bureau des Longitudes 77, Avenue Denfert Rochereau, F-75014 Paris, France

Abstract

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In astrometry, construction of stellar catalogues favors solar barycentric coordinates. Classically, they are calculated by linearly removing stellar aberration and annual parallaxes from measured quantities yielded by Earth-bound instruments. A global approach is proposed to account for those two effects from a more general relativistic point of view. Implications for VLBI measurements and HIPPARCOS measurements of stellar positions are discussed.

Type
Reference Frames and Astrometry
Copyright
Copyright © Reidel 1986