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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Investigations of dust heating in M81, M83 and NGC 2403 with the Herschel Space Observatory
Monthly Notices of the Royal Astronomical Society, Volume 419, No. 3, Year 2012
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Description
We useSpitzer Space Telescope and Herschel Space Observatoryfar-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 70/160m surface brightness ratios tend to be more strongly influenced by star-forming regions. However, the 250/350m and 350/500m surface brightness ratios are more strongly affected by the light from the total stellar populations, suggesting that the dust emission at >250m originates predominantly from a component that is colder than the dust seen at <160m 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. © 2011 The Authors Monthly Notices of the Royal Astronomical Society © 2011 RAS.
Authors & Co-Authors
Bendo, George J.
United Kingdom, Manchester
The University of Manchester
United Kingdom, London
Imperial College London
Boselli, Alessandro
France, Marseille
Laboratoire D'astrophysique de Marseille
Dariush, Aliakbar A.
United Kingdom, London
Imperial College London
United Kingdom, Cardiff
Cardiff University
Iran, Tehran
Institute for Studies in Theoretical Physics and Mathematics, Tehran
Pohlen, Michael
United Kingdom, Cardiff
Cardiff University
Roussel, Hélène
France, Paris
Sorbonne Université
Sauvage, Marc
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Smith, Matthew W.L.
United Kingdom, Cardiff
Cardiff University
Wilson, Christine D.
Canada, Hamilton
Mcmaster University
Baes, Maarten
Belgium, Ghent
Universiteit Gent
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
Clements, David L.
United Kingdom, London
Imperial College London
Cortese, Luca
Germany, Garching Bei Munchen
European Southern Observatory
Galametz, Maud
United Kingdom, Cambridge
University of Cambridge
Gomez, Haley L.
United Kingdom, Cardiff
Cardiff University
Lebouteiller, Vianney
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Lu, Nanyao
United States, Pasadena
Jet Propulsion Laboratory
United States, Pasadena
California Institute of Technology
Madden, Suzanne C.
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
O'Halloran, Brian
United Kingdom, London
Imperial College London
Page, Mathew J.
United Kingdom, London
University College London
Ŕemy-Ruyer, Auŕelie
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Schulz, Bernhard
Unknown Affiliation
Spinoglio, L.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Statistics
Citations: 138
Authors: 22
Affiliations: 16
Identifiers
Doi:
10.1111/j.1365-2966.2011.19735.x
ISSN:
13652966
Research Areas
Cancer
Environmental