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Fast Holographic Deconvolution: A new technique for precision radio interferometry

Sullivan, I S; Morales, Miguel F; Hazelton, B; Arcus, W; Barnes, David G; Bernardi, G; Briggs, Franklin; Bowman, J D; Bunton, John D.; Cappallo, Roger C; Corey, Brian E; Deshpande, Avinash; Greenhill, Lincoln; Kincaid, Barton B; Prabu, T; Rogers, Alan; Roshi, Anish; Shankar, N.Udaya; Srivani, K. S.; Whitney, Alan; Williams, Andrew; Williams, Christopher L

Description

We introduce the Fast Holographic Deconvolution method for analyzing interferometric radio data. Our new method is an extension of A-projection/software-holography/forward modeling analysis techniques and shares their precision deconvolution and wide-field polarimetry, while being significantly faster than current implementations that use full direction-dependent antenna gains. Using data from the MWA 32 antenna prototype, we demonstrate the effectiveness and precision of our new algorithm....[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/68623
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/759/1/17

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