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Title:
Science with ASKAP. The Australian square-kilometre-array pathfinder
Authors:
Johnston, S.; Taylor, R.; Bailes, M.; Bartel, N.; Baugh, C.; Bietenholz, M.; Blake, C.; Braun, R.; Brown, J.; Chatterjee, S.; Darling, J.; Deller, A.; Dodson, R.; Edwards, P.; Ekers, R.; Ellingsen, S.; Feain, I.; Gaensler, B.; Haverkorn, M.; Hobbs, G.; Hopkins, A.; Jackson, C.; James, C.; Joncas, G.; Kaspi, V.; Kilborn, V.; Koribalski, B.; Kothes, R.; Landecker, T.; Lenc, A.; Lovell, J.; Macquart, J.-P.; Manchester, R.; Matthews, D.; McClure-Griffiths, N.; Norris, R.; Pen, U.-L.; Phillips, C.; Power, C.; Protheroe, R.; Sadler, E.; Schmidt, B.; Stairs, I.; Staveley-Smith, L.; Stil, J.; Tingay, S.; Tzioumis, A.; Walker, M.; Wall, J.; Wolleben, M.
Affiliation:
AA(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), AB(Department of Physics and Astronomy, University of Calgary), AC(Centre for Astrophysics and Supercomputing, Swinburne University of Technology), AD(Department of Physics and Astronomy, York University), AE(Institute for Computational Cosmology, University of Durham), AF(Department of Physics and Astronomy, York University; , Hartebeesthoek Radio Observatory), AG(Centre for Astrophysics and Supercomputing, Swinburne University of Technology), AH(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), AI(Department of Physics and Astronomy, University of Calgary), AJ(School of Physics, The University of Sydney), AK(Center for Astrophysics and Space Astronomy, University of Colorado), AL(Centre for Astrophysics and Supercomputing, Swinburne University of Technology), AM(Observatorio Astronomico Nacional), AN(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), AO(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), AP(School of Mathematics and Physics, University of Tasmania), AQ(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), AR(School of Physics, The University of Sydney), AS(Astronomy Department, University of California-Berkeley), AT(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), AU(School of Physics, The University of Sydney), AV(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), AW(School of Chemistry & Physics, University of Adelaide), AX(Department de Physique et Observatoire du Mont Megantic, Universite Laval), AY(Department of Physics, McGill University), AZ(Centre for Astrophysics and Supercomputing, Swinburne University of Technology), BA(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), BB(Department of Physics and Astronomy, University of Calgary), BC(Dominion Radio Astrophysical Observatory, Herzberg Institute of Astrophysics, National Research Council), BD(Centre for Astrophysics and Supercomputing, Swinburne University of Technology), BE(School of Mathematics and Physics, University of Tasmania), BF(Astronomy Department, California Institute of Technology), BG(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), BH(Department of Physics, La Trobe University), BI(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), BJ(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), BK(Canadian Institute for Theoretical Astrophysics, University of Toronto), BL(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), BM(Centre for Astrophysics and Supercomputing, Swinburne University of Technology), BN(School of Chemistry & Physics, University of Adelaide), BO(School of Physics, The University of Sydney), BP(Mount Stromlo and Siding Spring Observatory), BQ(Department of Physics and Astronomy, University of British Columbia), BR(School of Physics, University of Western Australia), BS(Department of Physics and Astronomy, University of Calgary), BT(Department of Imaging and Applied Physics, Curtin University of Technology), BU(Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation), BV(Manly Astrophysics Workshop Pty Ltd), BW(Department of Physics and Astronomy, University of British Columbia), BX(Dominion Radio Astrophysical Observatory, Herzberg Institute of Astrophysics, National Research Council)
Publication:
Experimental Astronomy, Volume 22, Issue 3, pp.151-273 (ExA Homepage)
Publication Date:
12/2008
Origin:
SPRINGER
Keywords:
Radio astronomy techniques, Radio telescopes, Square kilometre array, Very long baseline interferometry, Extragalactic HI, Radio continuum surveys, Cosmological evolution, Galaxy formation, Star formation, Rotation measure, Extragalactic radio source polarization, Galactic structure, Galactic magnetic field, Magellenic clouds, Pulsars, Radio transient sources, Gamma-ray bursters, Intra-day variability
DOI:
10.1007/s10686-008-9124-7
Bibliographic Code:
2008ExA....22..151J

Abstract

The future of cm and m-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries. The SKA will be 50 times more sensitive than any existing radio facility. A majority of the key science for the SKA will be addressed through large-area imaging of the Universe at frequencies from 300 MHz to a few GHz. The Australian SKA Pathfinder (ASKAP) is aimed squarely in this frequency range, and achieves instantaneous wide-area imaging through the development and deployment of phase-array feed systems on parabolic reflectors. This large field-of-view makes ASKAP an unprecedented synoptic telescope poised to achieve substantial advances in SKA key science. The central core of 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 the sites selected by the international community as a potential location for the SKA. Following an introductory description of ASKAP, this document contains 7 chapters describing specific science programmes for ASKAP. In summary, the goals of these programmes are as follows:

The detection of a million galaxies in atomic hydrogen emission across 75% of the sky out to a redshift of 0.2 to understand galaxy formation and gas evolution in the nearby Universe.


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