Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/5427
Title: The Murchison Widefield Array: The Square Kilometre Array Precursor at Low Radio Frequencies
Authors: Tingay, S.J.
Goeke, R.
Bowman, Judd D.
Emrich, D.
Ord, S.M.
Mitchell, D.A.
Morales, M.F.
Booler, T.
Crosse, B.
Wayth, R.B.
Lonsdale, C.J.
Tremblay, S.E.
Pallot, D.
Colegate, T.
Wicenec, A.
Kudryavtseva, N.
Arcus, W.
Barnes, D.
Subrahmanyan, Ravi
Deshpande, A.A.
Srivani, K.S.
Issue Date: Jan-2013
Publisher: Cambridge University Press for Astronomical Society of Australia
Citation: Publications of the Astronomical Society of Australia,2013,Vol.30, e007
Abstract: The Murchison Widefield Array (MWA) is one of three Square Kilometre Array Precursor telescopes and is located at the Murchison Radio-astronomy Observatory in the Murchison Shire of the mid-west of Western Australia, a location chosen for its extremely low levels of radio frequency interference. The MWA operates at low radio frequencies, 80–300 MHz, with a processed bandwidth of 30.72 MHz for both linear polarisations, and consists of 128 aperture arrays (known as tiles) distributed over a ~3-km diameter area. Novel hybrid hardware/software correlation and a real-time imaging and calibration systems comprise the MWA signal processing backend. In this paper, the as-built MWA is described both at a system and sub-system level, the expected performance of the array is presented, and the science goals of the instrument are summarised.
Description: Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations)
URI: http://hdl.handle.net/2289/5427
ISSN: 1323-3580
1323-3580 (online)
Alternative Location: http://adsabs.harvard.edu/abs/2013PASA...30....7T
http://arxiv.org/abs/1206.6945
http://dx.doi.org/10.1017/pasa.2012.007
Copyright: 2013 Astronomical Society of Australia
Appears in Collections:Research Papers (A&A)

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