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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Herschel-ATLAS: Counterparts from the ultraviolet-near-infrared in the science demonstration phase catalogue
Monthly Notices of the Royal Astronomical Society, Volume 416, No. 2, Year 2011
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Description
We present a technique to identify optical counterparts of 250-μm-selected sources from theHerschel-ATLAS survey. Of the 6621 250μm > 32-mJy sources in our science demonstration catalogue we find that ~60 per cent have counterparts brighter thanr= 22.4mag in the Sloan Digital Sky Survey. Applying a likelihood ratio technique we are able to identify 2423 of the counterparts with a reliabilityR> 0.8. This is approximately 37 per cent of the full 250-μm catalogue. We have estimated photometric redshifts for each of these 2423 reliable counterparts, while 1099 also have spectroscopic redshifts collated from several different sources, including the GAMA survey. We estimate the completeness of identifying counterparts as a function of redshift, and present evidence that 250-μm-selectedHerschel-ATLAS galaxies have a bimodal redshift distribution. Those with reliable optical identifications have a redshift distribution peaking atz≈ 0.25 ± 0.05, while submillimetre colours suggest that a significant fraction with no counterpart above ther-band limit havez> 1. We also suggest a method for selecting populations of strongly lensed high-redshift galaxies. Our identifications are matched to UV-NIR photometry from the GAMA survey, and these data are available as part of theHerschel-ATLAS public data release. © 2011 The Authors Monthly Notices of the Royal Astronomical Society © 2011 RAS.
Authors & Co-Authors
Smith, Daniel James B.
United Kingdom, Nottingham
University of Nottingham
United Kingdom, Hatfield
University of Hertfordshire
Dunne, Loretta
United Kingdom, Nottingham
University of Nottingham
Maddox, Steve J.
United Kingdom, Nottingham
University of Nottingham
Eales, Stephen A.
United Kingdom, Cardiff
Cardiff University
Bonfield, David G.
United Kingdom, Hatfield
University of Hertfordshire
Jarvis, Matthew J.
United Kingdom, Hatfield
University of Hertfordshire
Sutherland, William J.
United Kingdom, London
University of London
Fleuren, Simone
United Kingdom, London
University of London
Rigby, Emma E.
United Kingdom, Nottingham
University of Nottingham
Thompson, Mark A.
United Kingdom, Hatfield
University of Hertfordshire
Baldry, Ivan K.
United Kingdom, Liverpool
Liverpool John Moores University
Bamford, Steven P.
United Kingdom, Nottingham
University of Nottingham
Buttiglione, Sara
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Cava, Antonio
Spain, Madrid
Universidad Complutense de Madrid
Clements, David L.
United Kingdom, London
Imperial College London
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
Croom, Scott M.
Australia, Sydney
The University of Sydney
Dariush, Aliakbar A.
United Kingdom, Cardiff
Cardiff University
de Zotti, Gianfranco
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Italy, Trieste
Scuola Internazionale Superiore Di Studi Avanzati
Driver, Simon P.
United Kingdom, St Andrews
University of st Andrews
Australia, Perth
International Centre for Radio Astronomy Research
James S. Dunlop, James S.
United Kingdom, Edinburgh
The University of Edinburgh
Fritz, Jacopo
Belgium, Ghent
Universiteit Gent
Hill, David T.
United Kingdom, St Andrews
University of st Andrews
Hopkins, Andrew M.
Australia, Eastwood
Anglo Australian Observatory
Hopwood, Rosalind H.B.
United Kingdom, Milton Keynes
The Open University
Ibar, E.
United Kingdom, Edinburgh
Uk Astronomy Technology Centre
Ivison, Robert J.
United Kingdom, Edinburgh
The University of Edinburgh
United Kingdom, Edinburgh
Uk Astronomy Technology Centre
Jones, Daniel Heath
Australia, Eastwood
Anglo Australian Observatory
Kelvin, Lee S.
United Kingdom, St Andrews
University of st Andrews
Leeuw, Lerothodi L.
United States, Mountain View
Seti Institute
Liske, Jochen
Germany, Garching Bei Munchen
European Southern Observatory
Loveday, Jon N.
United Kingdom, Brighton
University of Sussex
Madore, Barry F.
United States, Pasadena
Carnegie Observatories
Norberg, Peder R.
United Kingdom, Edinburgh
The University of Edinburgh
Panuzzo, Pasquale
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Pascale, Enzo
United Kingdom, Cardiff
Cardiff University
Pohlen, Michael
United Kingdom, Cardiff
Cardiff University
Popescu, Cristina C.
United Kingdom, Preston
University of Central Lancashire
Prescott, Matthew
United Kingdom, Liverpool
Liverpool John Moores University
Robotham, Aaron S.G.
United Kingdom, St Andrews
University of st Andrews
Rodighiero, Giulia
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Scott, Douglas J.
Canada, Vancouver
The University of British Columbia
Seibert, Mark
United States, Pasadena
Carnegie Observatories
Sharp, Rob G.
Australia, Eastwood
Anglo Australian Observatory
Temi, Pasquale
United States, Moffett Field
Nasa Ames Research Center
Tuffs, Richard J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
van der Werf, Paul P.
United Kingdom, Edinburgh
The University of Edinburgh
Netherlands, Leiden
Universiteit Leiden
van Kampen, Eelco V.
Germany, Garching Bei Munchen
European Southern Observatory
Statistics
Citations: 107
Authors: 48
Affiliations: 28
Identifiers
Doi:
10.1111/j.1365-2966.2011.18827.x
ISSN:
00358711
Study Design
Cross Sectional Study
Study Approach
Quantitative