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Science with the Australian Square Kilometre Array Pathfinder

Published online by Cambridge University Press:  05 March 2013

S. Johnston*
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
M. Bailes
Affiliation:
Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn VIC 3122, Australia
N. Bartel
Affiliation:
Department of Physics and Astronomy, York University, Toronto, ON M3J 1P3, Canada
C. Baugh
Affiliation:
Institute for Computational Cosmology, University of Durham, Durham, DH1 3LE, UK
M. Bietenholz
Affiliation:
Department of Physics and Astronomy, York University, Toronto, ON M3J 1P3, Canada Hartebeesthoek Radio Observatory, Krugersdorp 1740, South Africa
C. Blake
Affiliation:
Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn VIC 3122, Australia
R. Braun
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
J. Brown
Affiliation:
Department of Physics and Astronomy, University of Calgary, Calgary, AB T2N 1N4, Canada
S. Chatterjee
Affiliation:
School of Physics, University of Sydney, Sydney NSW 2006, Australia
J. Darling
Affiliation:
Center for Astrophysics and Space Astronomy, University of Colorado, Boulder CO 80309-0389, USA
A. Deller
Affiliation:
Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn VIC 3122, Australia
R. Dodson
Affiliation:
Observatorio Astronómico Nacional, 28800 Alcalá de Henares, Spain
P. G. Edwards
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
R. Ekers
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
S. Ellingsen
Affiliation:
School of Mathematics and Physics, University of Tasmania, Hobart TAS 7001, Australia
I. Feain
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
B. M. Gaensler
Affiliation:
School of Physics, University of Sydney, Sydney NSW 2006, Australia
M. Haverkorn
Affiliation:
Astronomy Dept, University of California-Berkeley, Berkeley CA 94720, USA
G. Hobbs
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
A. Hopkins
Affiliation:
School of Physics, University of Sydney, Sydney NSW 2006, Australia
C. Jackson
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
C. James
Affiliation:
School of Chemistry & Physics, University of Adelaide, Adelaide SA 5006, Australia
G. Joncas
Affiliation:
Département de Physique et Observatoire du Mont Mégantic, Université Laval, Québec, QC G1K 7P4, Canada
V. Kaspi
Affiliation:
Department of Physics, McGill University, Montreal, QC H3A 2T8, Canada
V. Kilborn
Affiliation:
Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn VIC 3122, Australia
B. Koribalski
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
R. Kothes
Affiliation:
Department of Physics and Astronomy, University of Calgary, Calgary, AB T2N 1N4, Canada
T. L. Landecker
Affiliation:
Dominion Radio Astrophysical Observatory, Herzberg Institute of Astrophysics, NRC, Penticton, BC V2A 6J9, Canada
E. Lenc
Affiliation:
Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn VIC 3122, Australia
J. Lovell
Affiliation:
School of Mathematics and Physics, University of Tasmania, Hobart TAS 7001, Australia
J.-P. Macquart
Affiliation:
Astronomy Department, California Institute of Technology, Pasadena CA 91125, USA
R. Manchester
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
D. Matthews
Affiliation:
Department of Physics, La Trobe University, Bundoora VIC 3086, Australia
N. M. McClure-Griffiths
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
R. Norris
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
U.-L. Pen
Affiliation:
Canadian Insititute for Theoretical Astrophysics, University of Toronto, Toronto, ON M5S 3H8, Canada
C. Phillips
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
C. Power
Affiliation:
Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn VIC 3122, Australia
R. Protheroe
Affiliation:
School of Chemistry & Physics, University of Adelaide, Adelaide SA 5006, Australia
E. Sadler
Affiliation:
School of Physics, University of Sydney, Sydney NSW 2006, Australia
B. Schmidt
Affiliation:
Mount Stromlo and Siding Spring Observatory, Weston Creek ACT 2601, Australia
I. Stairs
Affiliation:
Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
L. Staveley-Smith
Affiliation:
School of Physics, University of Western Australia, Crawley WA 6009, Australia
J. Stil
Affiliation:
Department of Physics and Astronomy, University of Calgary, Calgary, AB T2N 1N4, Canada
R. Taylor
Affiliation:
Department of Physics and Astronomy, University of Calgary, Calgary, AB T2N 1N4, Canada
S. Tingay
Affiliation:
Department of Imaging and Applied Physics, Curtin University of Technology, Bentley WA 6102, Australia
A. Tzioumis
Affiliation:
Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
M. Walker
Affiliation:
Manly Astrophysics Workshop Pty Ltd, Manly NSW 2095, Australia
J. Wall
Affiliation:
Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
M. Wolleben
Affiliation:
Dominion Radio Astrophysical Observatory, Herzberg Institute of Astrophysics, NRC, Penticton, BC V2A 6J9, Canada
*
XCorresponding author. Email: simon.johnston@csiro.au
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Abstract

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The future of centimetre and metre-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than any existing radio facility. Most of the key science for the SKA will be addressed through large-area imaging of the Universe at frequencies from a few hundred MHz to a few GHz. The Australian SKA Pathfinder (ASKAP) is a technology demonstrator aimed in the mid-frequency range, and achieves instantaneous wide-area imaging through the development and deployment of phased-array feed systems on parabolic reflectors. The large field-of-view makes ASKAP an unprecedented synoptic telescope that will make substantial advances in SKA key science. ASKAP will be located at the Murchison Radio Observatory in inland Western Australia, one of the most radio-quiet locations on the Earth and one of two sites selected by the international community as a potential location for the SKA. In this paper, we outline an ambitious science program for ASKAP, examining key science such as understanding the evolution, formation and population of galaxies including our own, understanding the magnetic Universe, revealing the transient radio sky and searching for gravitational waves.

Keywords

Type
Research Article
Copyright
Copyright © Astronomical Society of Australia 2007

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