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