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Radio source structures in VLBI astrometry
Published online by Cambridge University Press: 03 August 2017
Abstract
In astrometry, celestial radio sources with extended structures are useful. An algorithm to correct for structure in VLBI delays and delay rates is developed. The radio source NRAO140 is mapped from data with limited u-v coverage by the hybrid method and the Maximum Entropy procedure. The magnitude of the structure corrections in astrometry is discussed in the case of NRAO140.
- Type
- I. Celestial Reference Systems
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- Copyright © Reidel 1988