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

Rowan-Robinson, M. and Blain, A. and Bock, J. and Cooray, A. and Dowell, C. D. and Levenson, L. and Lu, N. and Nguyen, H. T. and Schulz, B. and Shupe, D. L. and Xu, C. K. and Zemcov, M. (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. ISSN 0035-8711. http://resolver.caltech.edu/CaltechAUTHORS:20101216-153515222

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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.


Item Type:Article
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http://dx.doi.org/10.1111/j.1365-2966.2010.17041.xDOIUNSPECIFIED
Additional Information:© 2010 The Authors. Journal compilation © 2010 RAS. Accepted 2010 May 17. Received 2010 May 17; in original form 2010 April 30. Article first published online: 25 Aug. 2010. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA. SPIRE has been developed by a consortium of institutes led by Cardiff University (UK) and including University of Lethbridge (Canada); NAOC (China); CEA, LAM(France); IFSI, University of Padua (Italy); IAC (Spain); Stockholm Observatory (Sweden); Imperial College London, RAL, UCL-MSSL, UKATC, University of Sussex (UK); Caltech, JPL, NHSC, University of Colorado (USA). This development has been supported by national funding agencies: CSA (Canada); NAOC (China); CEA, CNES, CNRS (France); ASI (Italy); MCINN (Spain); SNSB (Sweden); STFC (UK) and NASA (USA). The data presented in this paper will be released through the Herschel data base in Marseille HeDaM.
Group:TAPIR
Subject Keywords: * galaxies: evolution; * galaxies: starburst; * galaxies: star formation; * cosmology: observations; * infrared: galaxies
Record Number:CaltechAUTHORS:20101216-153515222
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20101216-153515222
Official Citation:Rowan-Robinson, M., Roseboom, I. G., 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. L., Conley, A., Conversi, L., Cooray, A., Dowell, C. D., Dwek, E., Dye, S., Eales, S., Elbaz, D., Farrah, D., Fox, M., Franceschini, A., Gear, W., Glenn, J., Solares, E. A. G., Griffin, M., Halpern, M., Hatziminaoglou, E., Huang, J., Ibar, E., Isaak, K., Ivison, R. J., Lagache, G., Levenson, L., Lu, N., Madden, S., Maffei, B., Mainetti, G., Marchetti, L., Mortier, A. M. J., Nguyen, H. T., O'Halloran, B., Oliver, S. J., Omont, A., Page, M. J., Panuzzo, P., Papageorgiou, A., Patel, H., Pearson, C. P., Fournon, I. P., Pohlen, M., Rawlings, J. I., Raymond, G., Rigopoulou, D., Rizzo, D., Schulz, B., Scott, D., Seymour, N., Shupe, D. L., Smith, A. J., Stevens, J. A., Symeonidis, M., Trichas, M., Tugwell, K. E., Valtchanov, I., Vigroux, L., Wang, L., Ward, R., Wright, G., Xu, C. K. and Zemcov, M. (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: 2–11. doi: 10.1111/j.1365-2966.2010.17041.x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:21411
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:17 Dec 2010 18:29
Last Modified:23 Dec 2013 23:09

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