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

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Authors
Rowan-Robinson, M.
Roseboom, I.
Vaccari, M.
Amblard, A.
Arumugam, V.
Auld, R.
Aussel, H.
Babbedge, T.
Blain, A.
Bock, J.
Boselli, A.
Brisbin, D.
Buat, V.
Burgarella, D.
Castro-Rodriguez, N.
Cava, A.
Chanial, P.
Clements, D.
Conley, A.
Conversi, L.
Cooray, A.
Dowell, C.
Dwek, E.
Dye, S.
Eales, S.
Elbaz, D.
Farrah, D.
Fox, M.
Franceschini, A.
Gear, W.
Glenn, J.
Solares, E.
Griffin, M.
Halpern, M.
Hatziminaoglou, E.
Huang, J.
Ibar, E.
Isaak, K.
Ivison, R.
Lagache, G.
Levenson, L.
Lu, N.
Madden, S.
Maffei, B.
Mainetti, G.
Marchetti, L.
Mortier, A.
Nguyen, H.
O'Halloran, B.
Oliver, S.
Omont, A.
Page, M.
Panuzzo, P.
Papageorgiou, A.
Patel, H.
Pearson, C.
Fournon, I.
Pohlen, M.
Rawlings, J.
Raymond, G.
Rigopoulou, D.
Rizzo, D.
Schulz, B.
Scott, D.
Seymour, Nick
Shupe, D.
Smith, A.
Stevens, J.
Symeonidis, M.
Trichas, M.
Tugwell, K.
Valtchanov, I.
Vigroux, L.
Wang, L.
Ward, R.
Wright, G.
Xu, C.
Zemcov, M.
Date
2010
Type
Journal Article

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Citation
Rowan-Robinson, M. and Roseboom, I. and Vaccari, M. and Amblard, A. and Arumugam, V. and Auld, R. and Aussel, H. et al. 2010. Cold dust and young starbursts: Spectral energy distributions of Herschel SPIRE sources from the HerMES survey. Monthly Notices of the Royal Astronomical Society. 409 (1): pp. 2-11.
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Monthly Notices of the Royal Astronomical Society
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Department of Physics and Astronomy
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Abstract

We present spectral energy distributions (SEDs) for 68 Herschel sources detected at 5s 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. © 2010 The Authors. Journal compilation © 2010 RAS.