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The use of redundancy in interferometry – a comparison of redundancy and selfcal

Published online by Cambridge University Press:  12 April 2016

Mark Wieringa
Mark Wieringa*
Affiliation:
Leiden Observatory, P.O. Box 9513, 2300 RA Leiden, The Netherlands

Abstract

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Many synthesis arrays currently in use have at least a few redundant baselines which can be used to derive model-independent telescope corrections. We discuss the relative merits of redundancy-based versus standard selfcalibration methods with respect to sensitivity to noise and interference. We then derive an approach to optimally combine the two methods for partially redundant arrays

Type
Imaging
Information
International Astronomical Union Colloquium , Volume 131: Radio Interferometry: Theory, Techniques, and Applications , 1991 , pp. 192 - 196
Copyright
Copyright © Astronomical Society of the Pacific 1991

References

Noordam, J.E., de Bruyn, A.G., 1982, Nature, 5884,597.Google Scholar