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Cold dust and young starbursts: Spectral energy distributions of Herschel SPIRE sources from the HerMES survey

  • M. Rowan-Robinson
  • , I. G. Roseboom
  • , M. Vaccari
  • , A. Amblard
  • , V. Arumugam
  • , R. Auld
  • , H. Aussel
  • , T. Babbedge
  • , A. Blain
  • , J. Bock
  • , A. Boselli
  • , D. Brisbin
  • , V. Buat
  • , D. Burgarella
  • , N. Castro-Rodriguez
  • , A. Cava
  • , P. Chanial
  • , D. L. Clements
  • , A. Conley
  • , L. Conversi
  • A. Cooray, C. D. Dowell, E. Dwek, S. Dye, S. Eales, D. Elbaz, D. Farrah, M. Fox, A. Franceschini, W. Gear, J. Glenn, E. A.G. Solares, M. Griffin, M. Halpern, E. Hatziminaoglou, J. Huang, E. Ibar, K. Isaak, R. J. Ivison, G. Lagache, L. Levenson, N. Lu, S. Madden, B. Maffei, G. Mainetti, L. Marchetti, A. M.J. Mortier, H. T. Nguyen, B. O'Halloran, S. J. Oliver, A. Omont, M. J. Page, P. Panuzzo, A. Papageorgiou, H. Patel, C. P. Pearson, I. Perez Fournon, M. Pohlen, J. I. Rawlings, G. Raymond, D. Rigopoulou, D. Rizzo, B. Schulz, Douglas Scott, N. Seymour, D. L. Shupe, A. J. Smith, J. A. Stevens, M. Symeonidis, M. Trichas, K. E. Tugwell, I. Valtchanov, L. Vigroux, L. Wang, R. Ward, G. Wright, C. K. Xu, M. Zemcov
  • Imperial College London
  • University of Sussex
  • University of Padova
  • University of California, Irvine
  • University of Edinburgh, Institute for Astronomy
  • Cardiff University
  • Université Paris Diderot
  • California Institute of Technology
  • Jet Propulsion Laboratory
  • Aix-Marseille Université
  • Cornell University
  • GTC Project
  • Universidad de la Laguna
  • University of Colorado Boulder
  • European Space Astronomy Centre
  • NASA Goddard Space Flight Center
  • Institute of Astronomy
  • University of British Columbia
  • ESO
  • Harvard & Smithsonian
  • Royal Observatory
  • Institut d'Astrophysique Spatiale
  • California Institute of Technology
  • University of Manchester
  • UPMC Univ. Paris 06
  • University College London
  • Rutherford Appleton Laboratory
  • University of Lethbridge
  • University of Oxford
  • University of Hertfordshire

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

43 Citations (Scopus)

Abstract

We present spectral energy distributions (SEDs) for 68 Herschel sources detected at 5σ at 250, 350 and 500 μm in the HerMES SWIRE-Lockman field. We explore whether existing models for starbursts, quiescent star-forming galaxies and active galactic nucleus dust tori are able to model the full range of SEDs measured with Herschel. We find that while many galaxies ( 56 per cent) are well fitted with the templates used to fit IRAS, Infrared Space Observatory (ISO) and Spitzer sources, for about half the galaxies two new templates are required: quiescent ('cirrus') models with colder (10-20 K) dust and a young starburst model with higher optical depth than Arp 220. Predictions of submillimetre fluxes based on model fits to 4.5-24 μm data agree rather poorly with the observed fluxes, but the agreement is better for fits to 4.5-70 μm data. Herschel galaxies detected at 500 μm tend to be those with the highest dust masses.

Original languageEnglish
Pages (from-to)2-11
Number of pages10
JournalMonthly Notices of the Royal Astronomical Society
Volume409
Issue number1
DOIs
Publication statusPublished - Nov 2010
Externally publishedYes

Keywords

  • Cosmology: observations
  • Galaxies: evolution
  • Galaxies: star formation
  • Galaxies: starburst
  • Infrared: galaxies

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