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Title:
Science with the Murchison Widefield Array
Authors:
Bowman, Judd D.; Cairns, Iver; Kaplan, David L.; Murphy, Tara; Oberoi, Divya; Staveley-Smith, Lister; Arcus, Wayne; Barnes, David G.; Bernardi, Gianni; Briggs, Frank H.; Brown, Shea; Bunton, John D.; Burgasser, Adam J.; Cappallo, Roger J.; Chatterjee, Shami; Corey, Brian E.; Coster, Anthea; Deshpande, Avinash; deSouza, Ludi; Emrich, David; Erickson, Philip; Goeke, Robert F.; Gaensler, B. M.; Greenhill, Lincoln J.; Harvey-Smith, Lisa; Hazelton, Bryna J.; Herne, David; Hewitt, Jacqueline N.; Johnston-Hollitt, Melanie; Kasper, Justin C.; Kincaid, Barton B.; Koenig, Ronald; Kratzenberg, Eric; Lonsdale, Colin J.; Lynch, Mervyn J.; Matthews, Lynn D.; McWhirter, S. Russell; Mitchell, Daniel A.; Morales, Miguel F.; Morgan, Edward H.; Ord, Stephen M.; Pathikulangara, Joseph; Prabu, Thiagaraj; Remillard, Ronald A.; Robishaw, Timothy; Rogers, Alan E. E.; Roshi, Anish A.; Salah, Joseph E.; Sault, Robert J.; Shankar, N. Udaya; Srivani, K. S.; Stevens, Jamie B.; Subrahmanyan, Ravi; Tingay, Steven J.; Wayth, Randall B.; Waterson, Mark; Webster, Rachel L.; Whitney, Alan R.; Williams, Andrew J.; Williams, Christopher L.; Wyithe, J. Stuart B.
Affiliation:
AA(School of Earth and Space Exploration, Arizona State University, Tempe, AZ, USA ), AB(Sydney Institute for Astronomy, The University of Sydney, Sydney, Australia), AC(Physics Department, University of Wisconsin-Milwaukee, Milwaukee, WI, USA), AD(Sydney Institute for Astronomy, The University of Sydney, Sydney, Australia; ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia), AE(National Centre for Radio Astrophysics, Pune, India), AF(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia; ICRAR - University of Western Australia, Perth, Australia), AG(ICRAR - Curtin University, Perth, Australia), AH(Monash e-Research Centre, Monash University, Melbourne, Australia), AI(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA), AJ(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia; Research School of Astronomy and Astrophysics, The Australian National University, Canberra, Australia), AK(Department of Physics and Astronomy, University of Iowa, Iowa City, IA, USA), AL(CSIRO Astronomy and Space Science, Australia), AM(Department of Physics, University of California San Diego, La Jolla, CA, USA), AN(MIT Haystack Observatory, Westford, MA, USA), AO(Department of Astronomy, Cornell University, Ithaca, NY, USA), AP(MIT Haystack Observatory, Westford, MA, USA), AQ(MIT Haystack Observatory, Westford, MA, USA), AR(Raman Research Institute, Bangalore, India), AS(Sydney Institute for Astronomy, The University of Sydney, Sydney, Australia; Research School of Astronomy and Astrophysics, The Australian National University, Canberra, Australia), AT(ICRAR - Curtin University, Perth, Australia), AU(MIT Haystack Observatory, Westford, MA, USA), AV(MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA, USA), AW(Sydney Institute for Astronomy, The University of Sydney, Sydney, Australia; ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia), AX(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA), AY(CSIRO Astronomy and Space Science, Australia), AZ(Physics Department, University of Washington, Seattle, WA, USA), BA(ICRAR - Curtin University, Perth, Australia), BB(MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA, USA), BC(School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand), BD(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA), BE(MIT Haystack Observatory, Westford, MA, USA), BF(CSIRO Astronomy and Space Science, Australia), BG(MIT Haystack Observatory, Westford, MA, USA), BH(MIT Haystack Observatory, Westford, MA, USA), BI(ICRAR - Curtin University, Perth, Australia), BJ(MIT Haystack Observatory, Westford, MA, USA), BK(MIT Haystack Observatory, Westford, MA, USA), BL(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia; Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA; School of Physics, The University of Melbourne, Melbourne, Australia), BM(Physics Department, University of Washington, Seattle, WA, USA), BN(MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA, USA), BO(ICRAR - Curtin University, Perth, Australia), BP(CSIRO Astronomy and Space Science, Australia), BQ(Raman Research Institute, Bangalore, India), BR(MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA, USA), BS(Sydney Institute for Astronomy, The University of Sydney, Sydney, Australia; Dominion Radio Astrophysical Observatory, Penticton, BC, Canada), BT(MIT Haystack Observatory, Westford, MA, USA), BU(National Radio Astronomy Observatory, Charlottesville, WV, USA), BV(MIT Haystack Observatory, Westford, MA, USA), BW(School of Physics, The University of Melbourne, Melbourne, Australia), BX(Raman Research Institute, Bangalore, India), BY(Raman Research Institute, Bangalore, India), BZ(Department of Physics and Astronomy, University of Iowa, Iowa City, IA, USA), CA(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia; Raman Research Institute, Bangalore, India), CB(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia; ICRAR - Curtin University, Perth, Australia), CC(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia; ICRAR - Curtin University, Perth, Australia; Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA), CD(ICRAR - Curtin University, Perth, Australia; Research School of Astronomy and Astrophysics, The Australian National University, Canberra, Australia), CE(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia; School of Physics, The University of Melbourne, Melbourne, Australia), CF(MIT Haystack Observatory, Westford, MA, USA), CG(ICRAR - University of Western Australia, Perth, Australia), CH(MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA, USA), CI(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO), Redfern, NSW, Australia; School of Physics, The University of Melbourne, Melbourne, Australia)
Publication:
Publications of the Astronomical Society of Australia, Volume 30, id.e031 28 pp. (PASA Homepage)
Publication Date:
04/2013
Origin:
CUP
Astronomy Keywords:
dark ages, reionisation, first stars, instrumentation: interferometers, radio continuum: general, radio lines: general, Sun: general
Abstract Copyright:
2013: Astronomical Society of Australia
DOI:
10.1017/pas.2013.009
Bibliographic Code:
2013PASA...30...31B

Abstract

Significant new opportunities for astrophysics and cosmology have been identified at low radio frequencies. The Murchison Widefield Array is the first telescope in the southern hemisphere designed specifically to explore the low-frequency astronomical sky between 80 and 300 MHz with arcminute angular resolution and high survey efficiency. The telescope will enable new advances along four key science themes, including searching for redshifted 21-cm emission from the EoR in the early Universe; Galactic and extragalactic all-sky southern hemisphere surveys; time-domain astrophysics; and solar, heliospheric, and ionospheric science and space weather. The Murchison Widefield Array is located in Western Australia at the site of the planned Square Kilometre Array (SKA) low-band telescope and is the only low-frequency SKA precursor facility. In this paper, we review the performance properties of the Murchison Widefield Array and describe its primary scientific objectives.
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