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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The murchison widefield array: The square kilometre array precursor at low radio frequencies
Publications of the Astronomical Society of Australia, Volume 30, No. 1, Article e007, Year 2013
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Description
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. © 2013 Astronomical Society of Australia.
Authors & Co-Authors
Tingay, Steven John
Australia, Perth
Curtin University
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Goeke, Robert F.
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Bowman, Judd D.
United States, Tempe
Arizona State University
Emrich, David
Australia, Perth
Curtin University
Ord, Stephen M.
Australia, Perth
Curtin University
Mitchell, Daniel A.
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Melbourne
University of Melbourne
Morales, Miguel F.
United States, Seattle
University of Washington
Booler, Tom
Australia, Perth
Curtin University
Crosse, Brian W.
Australia, Perth
Curtin University
Wayth, Randall B.
Australia, Perth
Curtin University
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Lonsdale, Colin J.
United States, Westford
Mit Haystack Observatory
Tremblay, Steven E.
Australia, Perth
Curtin University
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Pallot, David
Australia, Perth
Curtin University
Kudryavtseva, Nadia A.
Australia, Perth
Curtin University
Arcus, Wayne R.
Australia, Clayton
Monash University
Barnes, David G.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Bernardi, Gianni
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Canberra
The Australian National University
Briggs, Franklin H.
Unknown Affiliation
Bunton, John D.
United States, Westford
Mit Haystack Observatory
Cappallo, Roger J.
United States, Westford
Mit Haystack Observatory
Corey, Brian E.
India, Bengaluru
Raman Research Institute
Deshpande, Avinash A.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
DeSouza, Ludi
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Sydney
The University of Sydney
Gaensler, B. M.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Greenhill, Lincoln J.
Australia, Perth
Curtin University
Hall, Peter J.
United States, Seattle
University of Washington
Hazelton, Bryna J.
Australia, Perth
Curtin University
Herne, David E.
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Hewitt, Jacqueline N.
New Zealand, Wellington
Victoria University of Wellington
Johnston-Hollitt, Melanie
United States, Milwaukee
University of Wisconsin-milwaukee
Kaplan, David L.A.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Kasper, Justin C.
United States, Westford
Mit Haystack Observatory
Kincaid, Barton B.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Koenig, Ronald
United States, Westford
Mit Haystack Observatory
Kratzenberg, Eric
Australia, Perth
Curtin University
Lynch, Mervyn J.
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Canberra
The Australian National University
McKinley, Benjamin
United States, Westford
Mit Haystack Observatory
McWhirter, Stephen Russell
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Morgan, Edward H.
India, Pune
National Centre for Radio Astrophysics India
Oberoi, Divya
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Pathikulangara, Joseph
India, Bengaluru
Raman Research Institute
Prabu, Thiagaraj
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Remillard, Ronald A.
United States, Westford
Mit Haystack Observatory
Rogers, Alan E.E.
United States, Charlottesville
National Radio Astronomy Observatory
Roshi, Anish A.
United States, Westford
Mit Haystack Observatory
Salah, Joseph E.
Australia, Melbourne
University of Melbourne
Sault, Robert J.
India, Bengaluru
Raman Research Institute
Udaya-Shankar, N.
Australia, Perth
Curtin University
Srivani, K. S.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Stevens, Jamie B.
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
India, Bengaluru
Raman Research Institute
Subrahmanyan, Ravi
Australia, Perth
Curtin University
Waterson, Mark F.
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Melbourne
University of Melbourne
Webster, Rachel L.
United States, Westford
Mit Haystack Observatory
Whitney, Alan R.
Australia, Perth
The University of Western Australia
Williams, Andrew J.
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Williams, Christopherl L.M.
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Melbourne
University of Melbourne
Wyithe, J. S.B.
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Melbourne
University of Melbourne
Statistics
Citations: 928
Authors: 57
Affiliations: 18
Identifiers
Doi:
10.1017/pasa.2012.007
ISSN:
14486083