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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The SCUBA HAlf Degree Extragalactic Survey - VI. 350-μm mapping of submillimetre galaxies
Monthly Notices of the Royal Astronomical Society, Volume 384, No. 4, Year 2008
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Description
A follow-up survey using the Submillimetre High-Angular Resolution Camera (SHARC-II) at 350 μm has been carried out to map the regions around several 850-μm-selected sources from the Submillimetre HAlf Degree Extragalactic Survey (SHADES). These observations probe the infrared (IR) luminosities and hence star formation rates in the largest existing, most robust sample of submillimetre galaxies (SMGs). We measure 350-μm flux densities for 24 850-μm sources, seven of which are detected at ≥2.5σ within a 10 arcsec search radius of the 850-μm positions. When results from the literature are included the total number of 350-μm flux density constraints of SHADES SMGs is 31, with 15 detections. We fit a modified blackbody to the far-IR (FIR) photometry of each SMG, and confirm that typical SMGs are dust-rich (Mdust ≃ 9 × 108 M⊙), luminous (LFIR ≃ 2 × 1012 L⊙) star-forming galaxies with intrinsic dust temperatures of ≃35 K and star formation rates of ≃400 M⊙ yr-1. We have measured the temperature distribution of SMGs and find that the underlying distribution is slightly broader than implied by the error bars, and that most SMGs are at 28 K with a few hotter. We also place new constraints on the 350-μm source counts, N350(>25 mJy) ∼ 200-500 deg -2. © 2008 RAS.
Authors & Co-Authors
Coppin, Kristen E.K.
Canada, Vancouver
The University of British Columbia
United Kingdom, Durham
Durham University
Halpern, Mark
Canada, Vancouver
The University of British Columbia
Scott, Douglas J.
Canada, Vancouver
The University of British Columbia
Borys, Colin J.K.
Canada, Toronto
University of Toronto
James S. Dunlop, James S.
United Kingdom, Edinburgh
The University of Edinburgh
Dunne, Loretta
United Kingdom, Nottingham
University of Nottingham
Ivison, Robert J.
United Kingdom, Edinburgh
The University of Edinburgh
United Kingdom, Edinburgh
Uk Astronomy Technology Centre
Wagg, Jeff
United States, Socorro
National Radio Astronomy Observatory Socorro
Mexico, Puebla
Instituto Nacional de Astrofisica Optica y Electronica
Aretxaga, Itziar
Mexico, Puebla
Instituto Nacional de Astrofisica Optica y Electronica
Battistelli, Elia Stefano
Canada, Vancouver
The University of British Columbia
Benson, Andrew J.
United States, Pasadena
California Institute of Technology
Blain, Andrew W.
United States, Pasadena
California Institute of Technology
Chapman, Scott C.
United States, Pasadena
California Institute of Technology
Clements, David L.
United Kingdom, London
Imperial College London
Dye, S.
United Kingdom, Cardiff
Cardiff University
Farrah, Duncan G.
United States, Ithaca
Cornell University
Hughes, David Handel
Mexico, Puebla
Instituto Nacional de Astrofisica Optica y Electronica
Jenness, Tim
United States, Honolulu
University Hawaii Institute for Astronomy
van Kampen, Eelco V.
Austria, Innsbruck
Universität Innsbruck
Lacey, Cedric G.
United Kingdom, Durham
Durham University
Mortier, Angela M.J.
United Kingdom, Edinburgh
The University of Edinburgh
Pope, Alexandra
Canada, Vancouver
The University of British Columbia
Serjeant, Stephen B.G.
United Kingdom, Milton Keynes
The Open University
Smail, Ian R.
United Kingdom, Durham
Durham University
Stevens, Jason A.
United Kingdom, Hatfield
University of Hertfordshire
Vaccari, Mattia
Italy, Padua
Università Degli Studi Di Padova
Statistics
Citations: 107
Authors: 26
Affiliations: 17
Identifiers
Doi:
10.1111/j.1365-2966.2007.12808.x
ISSN:
00358711
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative