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Investigations of dust heating in M81, M83 and NGC 2403 with the Herschel Space Observatory

Bendo, G. J. and Boselli, A. and Dariush, A. and Pohlen, M. and Roussel, H. and Sauvage, M. and Smith, M. W. L. and Wilson, C. D. and Baes, M. and Cooray, A. and Clements, D. L. and Cortese, L. and Foyle, K. and Galametz, M. and Gomez, H. L. and Lebouteiller, V. and Lu, N. and Madden, S. C. and Mentuch, E. and O'Halloran, B. and Page, M. J. and Remy, A. and Schulz, B. and Spinoglio, L. (2012) Investigations of dust heating in M81, M83 and NGC 2403 with the Herschel Space Observatory. Monthly Notices of the Royal Astronomical Society, 419 (3). pp. 1833-1859. ISSN 0035-8711.

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We use Spitzer Space Telescope and Herschel Space Observatory far-infrared data along with ground-based optical and near-infrared data to understand how dust heating in the nearby face-on spiral galaxies M81, M83 and NGC 2403 is affected by the starlight from all stars and by the radiation from star-forming regions. We find that 70/160 µm surface brightness ratios tend to be more strongly influenced by star-forming regions. However, the 250/350 µm and 350/500 µm surface brightness ratios are more strongly affected by the light from the total stellar populations, suggesting that the dust emission at >250 µm originates predominantly from a component that is colder than the dust seen at <160 µm and that is relatively unaffected by star formation activity. We conclude by discussing the implications of this for modelling the spectral energy distributions of both nearby and more distant galaxies and for using far-infrared dust emission to trace star formation.

Item Type:Article
Related URLs:
URLURL TypeDescription DOIArticle
Smith, M. W. L.0000-0002-3532-6970
Wilson, C. D.0000-0001-5817-0991
Cooray, A.0000-0002-3892-0190
Clements, D. L.0000-0002-9548-5033
Cortese, L.0000-0002-7422-9823
Galametz, M.0000-0002-0283-8689
Lu, N.0000-0002-8948-1044
Page, M. J.0000-0002-6689-6271
Additional Information:© 2011 The Authors. Monthly Notices of the Royal Astronomical Society © 2011 RAS. Accepted 2011 August 30. Received 2011 August 17; in original form 2011 May 23. Article first published online: 1 Dec 2011. GJB thanks Simone Bianchi and the reviewer for helpful comments on this paper. GJB was funded by the STFC. The research of CDW and KF is supported by grants to CDW from the Canadian Space Agency and the Natural Sciences and Engineering Research Council of Canada. PACS has been developed by a consortium of institutes led by MPE (Germany) and including UVIE (Austria); KU Leuven, CSL, IMEC (Belgium); CEA, LAM (France); MPIA (Germany); INAF-IFSI/OAA/OAP/OAT, LENS, SISSA (Italy); IAC (Spain). This development has been supported by the funding agencies BMVIT (Austria),ESA-PRODEX(Belgium),CEA/CNES (France), DLR (Germany), ASI/INAF (Italy) and CICYT/MCYT (Spain). SPIRE has been developed by a consortium of institutes led by Cardiff University (UK) and including Univ. Lethbridge (Canada); NAOC (China); CEA, LAM (France); IFSI, Univ. Padua (Italy); IAC (Spain); Stockholm Observatory (Sweden); Imperial College London, RAL, UCL-MSSL, UKATC, Univ. Sussex (UK); and Caltech, JPL, NHSC, Univ. 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). HIPE is a joint development by the Herschel Science Ground Segment Consortium, consisting of ESA, the NASA Herschel Science Center, and the HIFI, PACS and SPIRE consortia. This research has made use of the NED which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.
Group:TAPIR, Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
Science and Technology Facilities Council (STFC)UNSPECIFIED
Canadian Space Agency (CSA)UNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Bundesministerium für Verkehr, Innovation und Technologie (BMVIT)UNSPECIFIED
Commissariat à l’Energie Atomique (CEA)UNSPECIFIED
Deutsches Zentrum für Luft- und Raumfahrt (DLR)UNSPECIFIED
Agenzia Spaziale Italiana (ASI)UNSPECIFIED
National Astronomical Observatories, Chinese Academy of Sciences (NAOC)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Istituto Nazionale di Astrofisica (INAF)UNSPECIFIED
Ministerio de Ciencia e Innovación (MCINN)UNSPECIFIED
Swedish National Space Board (SNSB)UNSPECIFIED
Centre National d'Études Spatiales (CNES)UNSPECIFIED
Subject Keywords: galaxies: individual: M81; galaxies: individual: M83; galaxies: individual: NGC 2403; galaxies: ISM; galaxies: spiral; infrared: galaxies
Issue or Number:3
Record Number:CaltechAUTHORS:20120229-085454671
Persistent URL:
Official Citation:Bendo, G. J., Boselli, A., Dariush, A., Pohlen, M., Roussel, H., Sauvage, M., Smith, M. W. L., Wilson, C. D., Baes, M., Cooray, A., Clements, D. L., Cortese, L., Foyle, K., Galametz, M., Gomez, H. L., Lebouteiller, V., Lu, N., Madden, S. C., Mentuch, E., O’Halloran, B., Page, M. J., Remy, A., Schulz, B. and Spinoglio, L. (2012), Investigations of dust heating in M81, M83 and NGC 2403 with the Herschel Space Observatory. Monthly Notices of the Royal Astronomical Society, 419: 1833–1859. doi: 10.1111/j.1365-2966.2011.19735.x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29515
Deposited By: Ruth Sustaita
Deposited On:29 Feb 2012 22:05
Last Modified:09 Mar 2020 13:19

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