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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The Herschel Multi-Tiered Extragalactic Survey: Source extraction and cross-identifications in confusion-dominated SPIRE images
Monthly Notices of the Royal Astronomical Society, Volume 409, No. 1, Year 2010
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Description
We present the cross-identification and source photometry techniques used to process Herschel SPIRE imaging taken as part of the Herschel Multi-Tiered Extragalactic Survey (HerMES). Cross-identifications are performed in map-space so as to minimize source-blending effects. We make use of a combination of linear inversion and model selection techniques to produce reliable cross-identification catalogues based on Spitzer MIPS 24-μm source positions. Testing on simulations and real Herschel observations shows that this approach gives robust results for even the faintest sources (S250~ 10 mJy). We apply our new technique to HerMES SPIRE observations taken as part of the science demonstration phase of Herschel. For our real SPIRE observations, we show that, for bright unconfused sources, our flux density estimates are in good agreement with those produced via more traditional point source detection methods (SUSSEXtractor) by Smith et al. When compared to the measured number density of sources in the SPIRE bands, we show that our method allows the recovery of a larger fraction of faint sources than these traditional methods. However, this completeness is heavily dependent on the relative depth of the existing 24-μm catalogues and SPIRE imaging. Using our deepest multiwavelength data set in the GOODS-N, we estimate that the use of shallow 24-μm catalogues in our other fields introduces an incompleteness at faint levels of between 20-40 per cent at 250 μm. © 2010 The Authors. Journal compilation © 2010 RAS.
Authors & Co-Authors
Roseboom, Isaac G.
United Kingdom, Brighton
University of Sussex
Oliver, Seb J.
United Kingdom, Brighton
University of Sussex
Kunz, Martin
Switzerland, Geneva
Université de Genève
Altieri, Bruno
Spain, Madrid
European Space Astronomy Centre
Amblard, Alexandre
United States, Irvine
University of California, Irvine
Arumugam, Vinodiran
United Kingdom, Edinburgh
The University of Edinburgh
Auld, Robbie R.
United Kingdom, Cardiff
Cardiff University
Aussel, Hervé
France, Gif-sur-yvette
Cea Saclay
Béthermin, Matthieu M.
France, Gif-sur-yvette
Université Paris-saclay
Blain, Andrew W.
United States, Pasadena
California Institute of Technology
Bock, James J.
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Boselli, Alessandro
France, Marseille
Oamp Observatoire Astronomique de Marseille-provence
Buat, Véronique
France, Marseille
Oamp Observatoire Astronomique de Marseille-provence
Burgarella, Denis
France, Marseille
Oamp Observatoire Astronomique de Marseille-provence
Castro-Rodriguéz, Nieves
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Cava, Antonio
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Chanial, Pierre F.
United Kingdom, London
Imperial College London
Chapin, Edward L.
Canada, Vancouver
The University of British Columbia
Clements, David L.
United Kingdom, London
Imperial College London
Conley, Alexander J.
United States, Boulder
Planetary Solutions, Inc.
Conversi, Luca
Spain, Madrid
European Space Astronomy Centre
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
United States, Pasadena
California Institute of Technology
Dowell, Charles Darren
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Dwek, Eli
United States, Greenbelt
Nasa Goddard Space Flight Center
Dye, S.
United Kingdom, Cardiff
Cardiff University
Eales, Stephen A.
United Kingdom, Cardiff
Cardiff University
Elbaz, David
France, Gif-sur-yvette
Cea Saclay
Farrah, Duncan G.
United Kingdom, Brighton
University of Sussex
Franceschini, Alberto
Italy, Padua
Università Degli Studi Di Padova
Gear, Walter K.P.
United Kingdom, Cardiff
Cardiff University
Glenn, Jason
United States, Boulder
Planetary Solutions, Inc.
Griffin, Matthew J.
United Kingdom, Cardiff
Cardiff University
Halpern, Mark
Canada, Vancouver
The University of British Columbia
Hatziminaoglou, Evanthia
Germany, Garching Bei Munchen
European Southern Observatory
Ibar, E.
United Kingdom, Edinburgh
Uk Astronomy Technology Centre
Isaak, Kate G.
United Kingdom, Cardiff
Cardiff University
Ivison, Robert J.
United Kingdom, Edinburgh
The University of Edinburgh
United Kingdom, Edinburgh
Uk Astronomy Technology Centre
Lagache, Guilaine
France, Gif-sur-yvette
Université Paris-saclay
Levenson, Louis R.
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Lu, Nanyao
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Madden, Suzanne C.
France, Gif-sur-yvette
Cea Saclay
Maffei, Bruno
United Kingdom, Manchester
The University of Manchester
Mainetti, Gabrielle
Italy, Padua
Università Degli Studi Di Padova
Marchetti, Lucia
Italy, Padua
Università Degli Studi Di Padova
Marsden, Gaelen
Canada, Vancouver
The University of British Columbia
Mortier, Angela M.J.
United Kingdom, London
Imperial College London
Nguyên, Hien Trong
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
O'Halloran, Brian
United Kingdom, London
Imperial College London
Omont, Alain A.
France, Paris
Sorbonne Université
Page, Mathew J.
United Kingdom, London
University College London
Panuzzo, Pasquale
France, Gif-sur-yvette
Cea Saclay
Papageorgiou, Andreas
United Kingdom, Cardiff
Cardiff University
Patel, H.
United Kingdom, London
Imperial College London
Pearson, Christopher P.
United Kingdom, Didcot
Rutherford Appleton Laboratory
Pérez-Fournon, Ismael
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Pohlen, Michael
United Kingdom, Cardiff
Cardiff University
Rawlings, J. I.
United Kingdom, London
University College London
Rigopoulou, Dimitra
United Kingdom, Didcot
Rutherford Appleton Laboratory
United Kingdom, Oxford
University of Oxford
Rowan-Robinson, Michael
United Kingdom, London
Imperial College London
Śanchez-Portal, Miguel
Spain, Madrid
European Space Astronomy Centre
Schulz, Bernhard
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Scott, Douglas J.
Canada, Vancouver
The University of British Columbia
Seymour, Nick
United Kingdom, London
University College London
Shupe, David L.
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Smith, Anthony J.
United Kingdom, Brighton
University of Sussex
Stevens, Jason A.
United Kingdom, Hatfield
University of Hertfordshire
Symeonidis, Myrto
United Kingdom, London
University College London
Trichas, Markos
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Tugwell, K. E.
United Kingdom, London
University College London
Vaccari, Mattia
Italy, Padua
Università Degli Studi Di Padova
Valtchanov, Ivan
Spain, Madrid
European Space Astronomy Centre
Vieira, Joaquin D.
United States, Pasadena
California Institute of Technology
Vigroux, Laurent G.
France, Paris
Sorbonne Université
Wang, Lingyu
United Kingdom, Brighton
University of Sussex
Wright, Gillian S.
United Kingdom, Edinburgh
Uk Astronomy Technology Centre
Xu, Cong Kevin
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Zemcov, Michael B.
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Statistics
Citations: 155
Authors: 77
Affiliations: 28
Identifiers
Doi:
10.1111/j.1365-2966.2010.17634.x
ISSN:
00358711
Study Design
Cross Sectional Study
Study Approach
Quantitative