Radio Continuum Surveys with Square Kilometre Array Pathfinders

被引：81

作者：

Norris, Ray P. ^{[1
]}

Afonso, J. ^{[2
,3
]}

Bacon, D. ^{[4
]}

Beck, Rainer ^{[5
]}

Bell, Martin ^{[2
,6
,7
]}

Beswick, R. J. ^{[8
]}

Best, Philip ^{[9
]}

Bhatnagar, Sanjay ^{[10
]}

Bonafede, Annalisa ^{[11
]}

Brunetti, Gianfranco ^{[12
]}

Budavari, Tamas ^{[13
]}

Cassano, Rossella ^{[12
]}

Condon, J. J. ^{[10
]}

Cress, Catherine ^{[14
]}

Dabbech, Arwa ^{[15
]}

Feain, I. ^{[1
,7
]}

Fender, Rob ^{[6
]}

Ferrari, Chiara ^{[15
]}

Gaensler, B. M. ^{[2
,7
]}

Giovannini, G. ^{[12
]}

Haverkorn, Marijke ^{[16
,17
]}

Heald, George ^{[18
]}

Van der Heyden, Kurt ^{[19
]}

Hopkins, A. M. ^{[20
]}

Jarvis, M. ^{[14
,21
,22
]}

Johnston-Hollitt, Melanie ^{[23
]}

Kothes, Roland ^{[24
]}

Van Langevelde, Huib ^{[16
,25
]}

Lazio, Joseph ^{[26
]}

Mao, Minnie Y. ^{[1
,20
,27
,28
]}

Martinez-Sansigre, Alejo ^{[4
]}

Mary, David ^{[15
]}

Mcalpine, Kim ^{[21
,29
]}

Middelberg, E. ^{[30
]}

Murphy, Eric ^{[31
]}

Padovani, P. ^{[32
]}

Paragi, Zsolt

Prandoni, I. ^{[12
]}

Raccanelli, A. ^{[4
,26
,33
]}

Rigby, Emma ^{[34
]}

Roseboom, I. G.

Rottgering, H. ^{[16
]}

Sabater, Jose ^{[9
]}

Salvato, Mara ^{[11
]}

Scaife, Anna M. M. ^{[6
]}

Schilizzi, Richard ^{[8
]}

Seymour, N. ^{[1
]}

Smith, Dan J. B. ^{[21
]}

Umana, Grazia ^{[35
]}

Zhao, G. -B. ^{[4
]}

机构：

[1] CSIRO Astron & Space Sci, POB 76, Epping, NSW 1710, Australia

[2] ARC Ctr Excellence All Sky Astrophys CAASTRO, Redfern, NSW 2016, Australia

[3] Univ Lisbon, Observ Astron Lisboa, Ctr Astron & Astrofis, P-1349018 Lisbon, Portugal

[4] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England

[5] Max Planck Inst Radioastron, D-53121 Bonn, Germany

[6] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

[7] Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia

[8] Univ Manchester, Jodrell Bank Ctr Astrophys, Sch Phys & Astron, Manchester M13 9PL, Lancs, England

[9] Univ Edinburgh, Royal Observ, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland

[10] Natl Radio Astron Observ, Charlottesville, VA 22903 USA

[11] Max Planck Inst Plasma Phys, D-85748 Garching, Germany

[12] INAF IRA, I-40129 Bologna, Italy

[13] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

[14] Univ Western Cape, Dept Phys, ZA-7535 Cape Town, South Africa

[15] Univ Nice Sophia Antipolis, CNRS, Observ Cote Azur, Lab Lagrange,UMR 7293, F-06300 Nice, France

[16] Leiden Univ, Leiden Observ, NL-2300 RA Leiden, Netherlands

[17] Radboud Univ Nijmegen, Dept Astrophys IMAPP, NL-6500 GL Nijmegen, Netherlands

[18] ASTRON, NL-7990 AA Dwingeloo, Netherlands

[19] Univ Cape Town, Dept Astron, Astrophys Cosmol & Grav Ctr, ZA-7701 Rondebosch, South Africa

[20] Australian Astron Observ, Epping, NSW 1710, Australia

[21] Univ Hertfordshire, Sci & Technol Res Inst, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England

[22] Univ Oxford, Oxford OX1 3RH, England

[23] Victoria Univ Wellington, Sch Chem & Phys Sci, Wellington 6140, New Zealand

[24] Natl Res Council Canada, Natl Sci Infrastruct, Domin Radio Astrophys Observ, Penticton, BC V2A 6J9, Canada

[25] Joint Inst VLBI Europe, NL-7990 AA Dwingeloo, Netherlands

[26] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[27] Natl Radio Astron Observ, Socorro, NM 87801 USA

[28] Univ Tasmania, Sch Math & Phys, Hobart, Tas 7001, Australia

[29] Rhodes Univ, Dept Phys & Elect, ZA-6140 Grahamstown, South Africa

[30] Ruhr Univ Bochum, Astron Inst, D-44801 Bochum, Germany

[31] Carnegie Observ, Pasadena, CA 91101 USA

[32] European So Observ, D-85748 Garching, Germany

[33] CALTECH, Pasadena, CA 91125 USA

[34] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England

[35] INAF Catania Astrophys Observ, I-95123 Catania, Italy

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA | 2013年 / 30卷

基金：

澳大利亚研究理事会;

关键词：

radiotelescopes; surveys; galaxy evolution; cosmology; ACTIVE GALACTIC NUCLEI; DEEP-FIELD-SOUTH; STAR-FORMATION HISTORY; PROBABILISTIC CROSS-IDENTIFICATION; SPECTRAL ENERGY-DISTRIBUTIONS; COSMIC MAGNETIC-FIELDS; LARGE-SCALE STRUCTURE; EXTREMELY RED GALAXY; ANGLE TAIL GALAXIES; K-Z RELATION;

D O I：

10.1017/pas.2012.020

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the lead-up to the Square Kilometre Array (SKA) project, several next-generation radio telescopes and upgrades are already being built around the world. These include APERTIF (The Netherlands), ASKAP (Australia), e-MERLIN (UK), VLA (USA), e-EVN (based in Europe), LOFAR (The Netherlands), MeerKAT (South Africa), and the Murchison Widefield Array. Each of these new instruments has different strengths, and coordination of surveys between them can help maximise the science from each of them. A radio continuum survey is being planned on each of them with the primary science objective of understanding the formation and evolution of galaxies over cosmic time, and the cosmological parameters and large-scale structures which drive it. In pursuit of this objective, the different teams are developing a variety of new techniques, and refining existing ones. To achieve these exciting scientific goals, many technical challenges must be addressed by the survey instruments. Given the limited resources of the global radio-astronomical community, it is essential that we pool our skills and knowledge. We do not have sufficient resources to enjoy the luxury of re-inventing wheels. We face significant challenges in calibration, imaging, source extraction and measurement, classification and cross-identification, redshift determination, stacking, and data-intensive research. As these instruments extend the observational parameters, we will face further unexpected challenges in calibration, imaging, and interpretation. If we are to realise the full scientific potential of these expensive instruments, it is essential that we devote enough resources and careful study to understanding the instrumental effects and how they will affect the data. We have established an SKA Radio Continuum Survey working group, whose prime role is to maximise science from these instruments by ensuring we share resources and expertise across the projects. Here we describe these projects, their science goals, and the technical challenges which are being addressed to maximise the science return.

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页数：54

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