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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Interferometric imaging with the 32 element murchison wide-field array
Publications of the Astronomical Society of the Pacific, Volume 122, No. 897, Year 2010
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Description
The Murchison Wide-Field Array (MWA) is a low-frequency radio telescope, currently under construction, intended to search for the spectral signature of the epoch of reionization (EOR) and to probe the structure of the solar corona. Sited in western Australia, the full MWA will comprise 8192 dipoles grouped into 512 tiles and will be capable of imaging the sky south of 40° declination, from 80 MHz to 300 MHz with an instantaneous field of view that is tens of degrees wide and a resolution of a few arcminutes. A 32 station prototype of the MWA has been recently commissioned and a set of observations has been taken that exercise the whole acquisition and processing pipeline. We present Stokes /, Q, and U images from two ~4 hr integrations of a field 20° wide centered on Pictoris A. These images demonstrate the capacity and stability of a real-time calibration and imaging technique employing the weighted addition of warped snapshots to counter extreme wide-field imaging distortions. © 2010. The Astronomical Society of the Pacific. All rights reserved.
Authors & Co-Authors
Ord, Stephen M.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Mitchell, Daniel A.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Wayth, Randall B.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Australia, Perth
Curtin University
Greenhill, Lincoln J.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Bernardi, Gianni
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Clark, Michael A.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Allen, Graham R.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Arcus, Wayne R.
Australia, Perth
Curtin University
Bowman, Judd D.
United States, Pasadena
California Institute of Technology
Briggs, Franklin H.
Australia, Canberra
The Australian National University
Bunton, John D.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Cappallo, Roger J.
United States, Westford
Mit Haystack Observatory
Coles, William A.
United States, La Jolla
University of California, San Diego
Corey, Brian E.
United States, Westford
Mit Haystack Observatory
DeSouza, Ludi
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Doeleman, Sheperd S.
United States, Westford
Mit Haystack Observatory
Deshpande, Avinash A.
India, Bengaluru
Raman Research Institute
Emrich, David
Australia, Perth
Curtin University
Goeke, Robert F.
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Herne, David E.
Australia, Perth
Curtin University
Hewitt, Jacqueline N.
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Kamini, P. A.
India, Bengaluru
Raman Research Institute
Kaplan, David L.A.
United States, Santa Barbara
University of California, Santa Barbara
Kasper, Justin C.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Kincaid, Barton B.
United States, Westford
Mit Haystack Observatory
Kocz, J.
Australia, Canberra
The Australian National University
Kratzenberg, Eric
United States, Westford
Mit Haystack Observatory
Kumar, Deepak
India, Bengaluru
Raman Research Institute
Lonsdale, Colin J.
United States, Westford
Mit Haystack Observatory
Lynch, Mervyn J.
Australia, Perth
Curtin University
McWhirter, Stephen Russell
United States, Westford
Mit Haystack Observatory
Madhavi, S.
India, Bengaluru
Raman Research Institute
Matejek, Michael S.
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Morales, Miguel F.
United States, Seattle
University of Washington
Morgan, Edward H.
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Oberoi, Divya
United States, Westford
Mit Haystack Observatory
Pathikulangara, Joseph
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Prabu, Thiagaraj
India, Bengaluru
Raman Research Institute
Rogers, Alan E.E.
United States, Westford
Mit Haystack Observatory
Roshi, Anish A.
India, Bengaluru
Raman Research Institute
Salah, Joseph E.
United States, Westford
Mit Haystack Observatory
Udaya-Shankar, N.
India, Bengaluru
Raman Research Institute
Srivani, K. S.
India, Bengaluru
Raman Research Institute
Stevens, Jamie B.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Tingay, Steven John
Australia, Perth
Curtin University
Waterson, Mark F.
Australia, Perth
Curtin University
Australia, Canberra
The Australian National University
Webster, Rachel L.
Australia, Melbourne
University of Melbourne
Whitney, Alan R.
United States, Westford
Mit Haystack Observatory
Williams, Andrew J.
Australia, Perth
The University of Western Australia
Williams, Christopherl L.M.
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Statistics
Citations: 48
Authors: 50
Affiliations: 13
Identifiers
Doi:
10.1086/657160
ISSN:
00046280