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Science with the Australian square kilometre array pathfinder

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Johnston, S and Darling, J and Deller, A and Dodson, R and Edwards, PG and Ekers, R and Ellingsen, SP and Feain, I and Gaensler, BM and Haverkorn, M and Hobbs, G and Bailes, M and Hopkins, A and Jackson, C and James, C and Joncas, G and Kaspi, V and Kilborn, V and Koribalski, B and Kothes, R and Landecker, TL and Lenc, E and Bartel, N and Lovell, JEJ and Macquart, JP and Manchester, RN and Matthews, D and McClure-Griffiths, NM and Norris, Ray and Pen, UL and Phillips, CJ and Power, C and Protheroe, R and Baugh, C and Sadler, E and Schmidt, B and Stairs, I and Staveley-Smith, L and Stil, JM and Taylor, Russell and Tingay, S and Tzioumis, AK and Walker, Mark A and Wall, J and Bietenholz, M and Wolleben, M and Blake, C and Braun, R and Brown, JC and Chatterjee, S (2007) Science with the Australian square kilometre array pathfinder. Publications of the Astronomical Society of Australia, 24 (4). pp. 174-188. ISSN 1323-3580

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Abstract

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.

Item Type: Article
Keywords: telescopes
Journal or Publication Title: Publications of the Astronomical Society of Australia
Publisher: CSIRO Publishing
Page Range: pp. 174-188
ISSN: 1323-3580
Identification Number - DOI: 10.1071/AS07033
Additional Information:

© Astronomical Society of Australia 2007 Open Access

Date Deposited: 07 Apr 2008 14:45
Last Modified: 18 Nov 2014 03:36
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