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The SCUBA HAlf Degree Extragalactic Survey – VI. 350-μm mapping of submillimetre galaxies

Coppin, Kristen and Halpern, Mark and Scott, Douglas and Borys, Colin and Dunlop, James S. and Dunne, Loretta and Ivison, Rob J. and Wagg, Jeff and Aretxaga, Itziar and Battistelli, Elia and Benson, Andrew and Blain, Andrew and Chapman, Scott and Clements, Dave and Dye, Simon and Farrah, Duncan and Hughes, David and Jenness, Tim and van Kampen, Eelco and Lacey, Cedric and Mortier, Angela and Pope, Alexandra and Priddey, Robert and Serjeant, Stephen and Smail, Ian and Stevens, Jason and Vaccari, Mattia (2008) The SCUBA HAlf Degree Extragalactic Survey – VI. 350-μm mapping of submillimetre galaxies. Monthly Notices of the Royal Astronomical Society, 384 (4). pp. 1597-1610. ISSN 0035-8711.

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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 × 10^8 M⊙) , luminous (LFIR≃ 2 × 10^(12) 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).

Item Type:Article
Related URLs:
URLURL TypeDescription
Halpern, Mark0000-0002-1760-0868
Scott, Douglas0000-0002-6878-9840
Ivison, Rob J.0000-0001-5118-1313
Aretxaga, Itziar0000-0002-6590-3994
Battistelli, Elia0000-0001-5210-7625
Benson, Andrew0000-0001-5501-6008
Blain, Andrew0000-0001-7489-5167
Clements, Dave0000-0002-9548-5033
Farrah, Duncan0000-0003-1748-2010
Lacey, Cedric0000-0001-9016-5332
Pope, Alexandra0000-0001-8592-2706
Serjeant, Stephen0000-0002-0517-7943
Smail, Ian0000-0003-3037-257X
Vaccari, Mattia0000-0002-6748-0577
Additional Information:© 2008 The Authors. Journal compilation © 2008 RAS, MNRAS. Accepted 2007 December 4. Received 2007 December 4; in original form 2007 May 21. We thank Darren Dowell and Attila Kovacs at Caltech, who provided support and advice before, during, and after the CSO observing runs and to the CSO crew for support. The CSO is operated by Caltech under a contract from the National Science Foundation (NSF). KC, MH, AP and DS acknowledge support from the Natural Sciences and Engineering Research Council of Canada (NSERC). KC also acknowledges the Particle Physics Association Research Council (PPARC) for support. IS acknowledges support from the Royal Society. IA and DH acknowledge support from CONACyT grants. JW is grateful for support provided by the Max-Planck Society and the Alexander von Humboldt Foundation. EvK acknowledges support from FWF grant P18493.
Funding AgencyGrant Number
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Particle Physics and Astronomy Research Council (PPARC)UNSPECIFIED
Consejo Nacional de Ciencia y Tecnología (CONACYT)UNSPECIFIED
Max-Planck SocietyUNSPECIFIED
FWF Der WissenschaftsfondsP18493
Alexander von Humboldt FoundationUNSPECIFIED
Subject Keywords:surveys, galaxies: formation, galaxies: high, redshift, galaxies: starburst – cosmology: observations – submillimetre
Issue or Number:4
Record Number:CaltechAUTHORS:20090623-151019384
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Official Citation:Kristen Coppin, Mark Halpern, Douglas Scott, Colin Borys, James Dunlop, Loretta Dunne, Rob Ivison, Jeff Wagg, Itziar Aretxaga, Elia Battistelli, Andrew Benson, Andrew Blain, Scott Chapman, Dave Clements, Simon Dye, Duncan Farrah, David Hughes, Tim Jenness, Eelco Van Kampen, Cedric Lacey, Angela Mortier, Alexandra Pope, Robert Priddey, Stephen Serjeant, Ian Smail, Jason Stevens, and Mattia Vaccari The SCUBA HAlf Degree Extragalactic Survey – VI. 350-μm mapping of submillimetre galaxies MNRAS (2008) Vol. 384 1597-1610 doi:10.1111/j.1365-2966.2007.12808.x First published online March 11, 2008
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:14433
Deposited By: Ruth Sustaita
Deposited On:29 Aug 2009 00:50
Last Modified:09 Mar 2020 13:19

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