ATLAS, and Wide-Angle Tail Galaxies in ATLAS
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Mao, Minnie Y; Sharp, Robert; Saikia, D. J; Norris, Ray P; Johnston-Hollitt, Melanie; Middelberg, Enno; Lovell, Jim E. J
Description
Using the Australia Telescope Compact Array (ATCA), ATLAS (Australia Telescope Large Area Survey) is imaging two fields totalling 7 square degrees down to 10μJy beam⁻¹ at 1.4 GHz. We have found 6 wide-angle tail galaxies (WATs), 4 of which have sufficient data to identify associated galaxy overdensities. The largest WAT, at a red-shift of 0.22, appears to be associated with an overdensity of galaxies that is spread over an unusually large extent of 12 Mpc, with a velocity range of 4500...[Show more]
dc.contributor.author | Mao, Minnie Y | |
---|---|---|
dc.contributor.author | Sharp, Robert | |
dc.contributor.author | Saikia, D. J | |
dc.contributor.author | Norris, Ray P | |
dc.contributor.author | Johnston-Hollitt, Melanie | |
dc.contributor.author | Middelberg, Enno | |
dc.contributor.author | Lovell, Jim E. J | |
dc.date.accessioned | 2016-03-01T00:33:26Z | |
dc.date.available | 2016-03-01T00:33:26Z | |
dc.identifier.issn | 0250-6335 | |
dc.identifier.uri | http://hdl.handle.net/1885/99870 | |
dc.description.abstract | Using the Australia Telescope Compact Array (ATCA), ATLAS (Australia Telescope Large Area Survey) is imaging two fields totalling 7 square degrees down to 10μJy beam⁻¹ at 1.4 GHz. We have found 6 wide-angle tail galaxies (WATs), 4 of which have sufficient data to identify associated galaxy overdensities. The largest WAT, at a red-shift of 0.22, appears to be associated with an overdensity of galaxies that is spread over an unusually large extent of 12 Mpc, with a velocity range of 4500 km s⁻¹. Here we present the WATs in ATLAS and discuss the implications of these observations for future large-scale radio surveys such as ASKAP-EMU. | |
dc.publisher | Indian Academy of Sciences | |
dc.rights | © Indian Academy of Science. http://www.sherpa.ac.uk/romeo/issn/0250-6335..."author can archive publisher's version/PDF. On author's personal website and/or institutional repository" from SHERPA/RoMEO site (as at 1/03/16). | |
dc.source | Journal of Astrophysics and Astronomy | |
dc.title | ATLAS, and Wide-Angle Tail Galaxies in ATLAS | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.identifier.citationvolume | 32 | |
dc.date.issued | 2012 | |
local.identifier.absfor | 020103 | |
local.identifier.ariespublication | f5625xPUB7544 | |
local.publisher.url | http://www.ias.ac.in/ | |
local.type.status | Published Version | |
local.contributor.affiliation | Mao, Minnie Y, University of Tasmania, Australia | |
local.contributor.affiliation | Sharp, Robert, College of Physical and Mathematical Sciences, CPMS Research School of Astronomy and Astrophysics, RSAA General, The Australian National University | |
local.contributor.affiliation | Saikia, D J, Tata Institute of Fundamental Research, India | |
local.contributor.affiliation | Norris, Ray P, CSIRO, Australia Telescope National Facility, Australia | |
local.contributor.affiliation | Johnston-Hollitt, M, University of Wellington, New Zealand | |
local.contributor.affiliation | Middelberg, E, Ruhr-Universität Bochum, Germany | |
local.contributor.affiliation | Lovell, J, University of Tasmania, Australia | |
local.bibliographicCitation.issue | 4 | |
local.bibliographicCitation.startpage | 585 | |
local.bibliographicCitation.lastpage | 588 | |
local.identifier.doi | 10.1007/s12036-011-9115-3 | |
dcterms.accessRights | Open Access | |
Collections | ANU Research Publications |
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01_Mao_ATLAS,_and_Wide-Angle_Tail_2012.pdf | Published Version | 510.73 kB | Adobe PDF |
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