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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Herschel-ATLAS: VISTA VIKING near-infrared counterparts in the Phase 1 GAMA 9-h data
Monthly Notices of the Royal Astronomical Society, Volume 423, No. 3, Year 2012
Notification
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Description
We identify near-infrared Ks-band counterparts to Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) submillimetre (submm) sources, using a preliminary object catalogue from the VISTA Kilo-degree Infrared Galaxy (VIKING) survey. The submm sources are selected from the H-ATLAS Phase 1 catalogue of the Galaxy and Mass Assembly 9-h field, which includes all objects detected at 250, 350 or with the instrument. We apply and discuss a likelihood ratio method for VIKING candidates within a search radius of 10 arcsec of the 22000 SPIRE sources with a 5σ detection at We estimate the fraction of SPIRE sources with a counterpart above the magnitude limit of the VIKING survey to be Q0≈ 0.73. We find that 11294 (51 per cent) of the SPIRE sources have a best VIKING counterpart with a reliability R≥ 0.8, and the false identification rate of these is estimated to be 4.2 per cent. We expect to miss ~5 per cent of true VIKING counterparts. There is evidence from Z-J and J-Ks colours that the reliable counterparts to SPIRE galaxies are marginally redder than the field population. We obtain photometric redshifts for ~68 per cent of all (non-stellar) VIKING candidates with a median redshift of We have spectroscopic redshifts for 3147 (~28 per cent) of the reliable counterparts from existing redshift surveys. Comparing to the results of the optical identifications supplied with the Phase 1 catalogue, we find that the use of medium-deep near-infrared data improves the identification rate of reliable counterparts from 36 to 51 per cent. © 2012 The Authors Monthly Notices of the Royal Astronomical Society © 2012 RAS.
Authors & Co-Authors
Fleuren, Simone
United Kingdom, London
Queen Mary University of London
Sutherland, William J.
United Kingdom, London
Queen Mary University of London
Dunne, Loretta
New Zealand, Christchurch
University of Canterbury
Smith, Daniel James B.
United Kingdom, Hatfield
University of Hertfordshire
Maddox, Steve J.
New Zealand, Christchurch
University of Canterbury
Gonzalez-Nuevo, J.
Italy, Trieste
Scuola Internazionale Superiore Di Studi Avanzati
Findlay, J. R.
United Kingdom, London
Queen Mary University of London
Auld, Robbie R.
United Kingdom, Cardiff
Cardiff University
Baes, Maarten
Belgium, Ghent
Universiteit Gent
Bond, Nicholas A.
United States, Greenbelt
Nasa Goddard Space Flight Center
Bonfield, David G.
United Kingdom, Hatfield
University of Hertfordshire
Bourne, Nathan
United Kingdom, Nottingham
University of Nottingham
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
Buttiglione, Sara
Italy, Padua
Osservatorio Astronomico Di Padova
Cava, Antonio
Spain, Madrid
Universidad Complutense de Madrid
Dariush, Aliakbar A.
United Kingdom, London
Imperial College London
de Zotti, Gianfranco
Italy, Trieste
Scuola Internazionale Superiore Di Studi Avanzati
Italy, Padua
Osservatorio Astronomico Di Padova
Driver, Simon P.
United Kingdom, St Andrews
University of st Andrews
Australia, Perth
The University of Western Australia
Dye, S.
United Kingdom, Nottingham
University of Nottingham
Eales, Stephen A.
United Kingdom, Cardiff
Cardiff University
Fritz, Jacopo
Belgium, Ghent
Universiteit Gent
Gunawardhana, Madusha L.P.
Australia
Australian Astronomical Observatory
Australia, Sydney
The University of Sydney
Hopwood, Rosalind H.B.
United Kingdom, London
Imperial College London
United Kingdom, Milton Keynes
The Open University
Ibar, E.
United Kingdom, Edinburgh
Royal Observatory
Ivison, Robert J.
United Kingdom, Edinburgh
Royal Observatory
United Kingdom, Edinburgh
University of Edinburgh, Institute for Astronomy
Jarvis, Matthew J.
United Kingdom, Hatfield
University of Hertfordshire
South Africa, Bellville
University of the Western Cape
Kelvin, Lee S.
United Kingdom, St Andrews
University of st Andrews
Australia, Perth
The University of Western Australia
Lapi, Andrea
Italy, Trieste
Scuola Internazionale Superiore Di Studi Avanzati
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Liske, Jochen
Germany, Garching Bei Munchen
European Southern Observatory
Michałowski, Michał J.
United Kingdom, Edinburgh
University of Edinburgh, Institute for Astronomy
Negrello, Mattia
Italy, Padua
Osservatorio Astronomico Di Padova
United Kingdom, Milton Keynes
The Open University
Pascale, Enzo
United Kingdom, Cardiff
Cardiff University
Pohlen, Michael
United Kingdom, Cardiff
Cardiff University
Prescott, Matthew
United Kingdom, Liverpool
Liverpool John Moores University
Rigby, Emma E.
United Kingdom, Edinburgh
University of Edinburgh, Institute for Astronomy
Robotham, Aaron S.G.
United Kingdom, St Andrews
University of st Andrews
Scott, Douglas J.
Canada, Vancouver
The University of British Columbia
Temi, Pasquale
United States, Moffett Field
Nasa Ames Research Center
Thompson, Mark A.
United Kingdom, Hatfield
University of Hertfordshire
Valiante, Elisabetta
United Kingdom, Cardiff
Cardiff University
Werf, Paul Van Der
Netherlands, Leiden
Sterrewacht Leiden
Statistics
Citations: 41
Authors: 41
Affiliations: 26
Identifiers
Doi:
10.1111/j.1365-2966.2012.21048.x
ISSN:
00358711
e-ISSN:
13652966
Study Design
Cross Sectional Study
Study Approach
Quantitative