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3C 273 and DA 193 Mapped with Crustal Dynamics VLBI Data
Published online by Cambridge University Press: 03 August 2017
Abstract
Hybrid maps of 3C 273 and DA 193 at 2.3 and 8.4 GHz have been produced with VLBI data acquired during a Crustal Dynamics campaign. By comparing to maps at previous epochs, superluminal components of 3C 273 are clearly detected. DA 193 is relatively compact. Structure corrections for the VLBI delay used in astrometry have been estimated from these maps. Some corrections are significant when compared with the precision of models used in astrometry and geodesy.
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- Extragalactic
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- Copyright © Reidel 1988