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Title:
The Australian Square Kilometre Array Pathfinder: System Architecture and Specifications of the Boolardy Engineering Test Array
Authors:
Hotan, A. W.; Bunton, J. D.; Harvey-Smith, L.; Humphreys, B.; Jeffs, B. D.; Shimwell, T.; Tuthill, J.; Voronkov, M.; Allen, G.; Amy, S.; Ardern, K.; Axtens, P.; Ball, L.; Bannister, K.; Barker, S.; Bateman, T.; Beresford, R.; Bock, D.; Bolton, R.; Bowen, M.; Boyle, B.; Braun, R.; Broadhurst, S.; Brodrick, D.; Brooks, K.; Brothers, M.; Brown, A.; Cantrall, C.; Carrad, G.; Chapman, J.; Cheng, W.; Chippendale, A.; Chung, Y.; Cooray, F.; Cornwell, T.; Davis, E.; de Souza, L.; DeBoer, D.; Diamond, P.; Edwards, P.; Ekers, R.; Feain, I.; Ferris, D.; Forsyth, R.; Gough, R.; Grancea, A.; Gupta, N.; Guzman, J. C.; Hampson, G.; Haskins, C.; Hay, S.; Hayman, D.; Hoyle, S.; Jacka, C.; Jackson, C.; Jackson, S.; Jeganathan, K.; Johnston, S.; Joseph, J.; Kendall, R.; Kesteven, M.; Kiraly, D.; Koribalski, B.; Leach, M.; Lenc, E.; Lensson, E.; Li, L.; Mackay, S.; Macleod, A.; Maher, T.; Marquarding, M.; McClure-Griffiths, N.; McConnell, D.; Mickle, S.; Mirtschin, P.; Norris, R.; Neuhold, S.; Ng, A.; O'Sullivan, J.; Pathikulangara, J.; Pearce, S.; Phillips, C.; Qiao, R. Y.; Reynolds, J. E.; Rispler, A.; Roberts, P.; Roxby, D.; Schinckel, A.; Shaw, R.; Shields, M.; Storey, M.; Sweetnam, T.; Troup, E.; Turner, B.; Tzioumis, A.; Westmeier, T.; Whiting, M.; Wilson, C.; Wilson, T.; Wormnes, K.; Wu, X.
Affiliation:
AA(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AB(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), AC(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AD(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AE(Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT, USA), AF(Leiden Observatory, Leiden University, PO Box 9513, NL-2300 RA Leiden, the Netherlands), AG(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AH(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AI(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AJ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AK(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AL(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AM(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AN(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AO(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AP(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AQ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AR(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AS(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AT(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AU(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AV(SKA Organisation, Jodrell Bank Observatory, Lower Withington, Macclesfield, Cheshire, SK11 9DL, UK), AW(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AX(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AY(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), AZ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BA(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BB(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), BC(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BD(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BE(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BF(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BG(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BH(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), BI(SKA Organisation, Jodrell Bank Observatory, Lower Withington, Macclesfield, Cheshire, SK11 9DL, UK), BJ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BK(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BL(Radio Astronomy Laboratory, University of California Berkeley, USA), BM(SKA Organisation, Jodrell Bank Observatory, Lower Withington, Macclesfield, Cheshire, SK11 9DL, UK), BN(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BO(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BP(Radiation Physics Laboratory, Sydney Medical School, The University of Sydney, NSW, Australia), BQ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BR(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BS(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BT(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), BU(Inter-University Centre for Astronomy and Astrophysics, Post Bag 4, Ganeshkhind, Pune University Campus, Pune 411 007, India), BV(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BW(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BX(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), BY(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), BZ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CA(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CB(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CC(Curtin University, GPO Box U1987, Perth, WA 6845, Australia), CD(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CE(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CF(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CG(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), CH(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), CI(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CJ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CK(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CL(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CM(ARC Centre of Excellence for All-sky Astrophysics (CAASTRO); Sydney Institute for Astronomy (SIfA), School of Physics, The University of Sydney, Sydney, NSW 2006, Australia), CN(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CO(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CP(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CQ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CR(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CS(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CT(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CU(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CV(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CW(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CX(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CY(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), CZ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DA(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DB(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), DC(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DD(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DE(CSIRO Digital Productivity and Services, PO Box 76, Epping, NSW 1710, Australia), DF(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DG(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DH(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DI(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DJ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DK(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DL(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DM(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DN(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DO(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DP(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DQ(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DR(International Centre for Radio Astronomy Research (ICRAR); University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia), DS(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DT(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DU(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DV(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia), DW(CSIRO Astronomy and Space Science, PO Box 76, Epping, NSW 1710, Australia)
Publication:
Publications of the Astronomical Society of Australia, Volume 31, id.e041 15 pp. (PASA Homepage)
Publication Date:
11/2014
Origin:
CUP
Astronomy Keywords:
instrumentation: detectors, instrumentation: interferometers, telescopes
Abstract Copyright:
2014: Astronomical Society of Australia
DOI:
10.1017/pasa.2014.36
Bibliographic Code:
2014PASA...31...41H

Abstract

This paper describes the system architecture of a newly constructed radio telescope - the Boolardy engineering test array, which is a prototype of the Australian square kilometre array pathfinder telescope. Phased array feed technology is used to form multiple simultaneous beams per antenna, providing astronomers with unprecedented survey speed. The test array described here is a six-antenna interferometer, fitted with prototype signal processing hardware capable of forming at least nine dual-polarisation beams simultaneously, allowing several square degrees to be imaged in a single pointed observation. The main purpose of the test array is to develop beamforming and wide-field calibration methods for use with the full telescope, but it will also be capable of limited early science demonstrations.
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