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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Probing the molecular interstellar medium of M82 with Herschel -SPIRE spectroscopy
Astronomy and Astrophysics, Volume 518, No. 4, Article L37, Year 2010
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Description
We present the observations of the starburst galaxy M82 taken with the Herschel SPIRE Fourier-transform spectrometer. The spectrum (194-671 μm) shows a prominent CO rotational ladder from J = 4-3 to 13-12 emitted by the central region of M82. The fundamental properties of the gas are well constrained by the high J lines observed for the first time. Radiative transfer modeling of these high-S/N 12CO and 13CO lines strongly indicates a very warm molecular gas component at ∼500 K and pressure of ∼3×106 K cm-3, in good agreement with the H 2 rotational lines measurements from Spitzer and ISO. We suggest that this warm gas is heated by dissipation of turbulence in the interstellar medium (ISM) rather than X-rays or UV flux from the straburst. This paper illustrates the promise of the SPIRE FTS for the study of the ISM of nearby galaxies. © ESO 2010.
Authors & Co-Authors
Panuzzo, Pasquale
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Rangwala, Naseem
United States, Boulder
Planetary Solutions, Inc.
Isaak, Kate G.
United Kingdom, Cardiff
Cardiff University
Netherlands, Noordwijk Aan Zee
Estec - European Space Research and Technology Centre
Glenn, Jason
United States, Boulder
Planetary Solutions, Inc.
Wilson, Christine D.
Canada, Hamilton
Mcmaster University
Auld, Robbie R.
United Kingdom, Cardiff
Cardiff University
Baes, Maarten
Belgium, Ghent
Universiteit Gent
Barlow, M. J.
United Kingdom, London
University College London
Bendo, George J.
United Kingdom, London
Imperial College London
Bock, James J.
United States, Pasadena
Jet Propulsion Laboratory
United States, Pasadena
California Institute of Technology
Boselli, Alessandro
France, Marseille
Laboratoire D'astrophysique de Marseille
Bradford, Charles Matt
United States, Pasadena
Jet Propulsion Laboratory
Buat, Véronique
France, Marseille
Laboratoire D'astrophysique de Marseille
Castro-Rodriguéz, Nieves
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Chanial, Pierre F.
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Charlot, St́ephane
France, Paris
Sorbonne Université
Ciesla, Laure
France, Marseille
Laboratoire D'astrophysique de Marseille
Clements, David L.
United Kingdom, London
Imperial College London
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
Cormier, Diane
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Cortese, Luca
United Kingdom, Cardiff
Cardiff University
Davies, Jonathan I.
United Kingdom, Cardiff
Cardiff University
Dwek, Eli
United States, Greenbelt
Nasa Goddard Space Flight Center
Eales, Stephen A.
United Kingdom, Cardiff
Cardiff University
Elbaz, David
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Galametz, Maud
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Galliano, Frédéric
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Gear, Walter K.P.
United Kingdom, Cardiff
Cardiff University
Gomez, Haley L.
United Kingdom, Cardiff
Cardiff University
Griffin, Matthew J.
United Kingdom, Cardiff
Cardiff University
Hony, Sacha
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Levenson, Louis R.
United States, Pasadena
Jet Propulsion Laboratory
United States, Pasadena
California Institute of Technology
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
Okumura, Koryo
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Oliver, Seb J.
United Kingdom, Brighton
University of Sussex
Page, Mathew J.
United Kingdom, London
University College London
Papageorgiou, Andreas
United Kingdom, Cardiff
Cardiff University
Parkin, Tara J.
Canada, Hamilton
Mcmaster University
Pérez-Fournon, Ismael
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Pohlen, Michael
United Kingdom, Cardiff
Cardiff University
Rigby, Emma E.
United Kingdom, Nottingham
University of Nottingham
Roussel, Hélène
France, Paris
Sorbonne Université
Sauvage, Marc
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Schulz, Bernhard
Unknown Affiliation
Schirm, Maximilien R.P.
Canada, Hamilton
Mcmaster University
Smith, Matthew W.L.
United Kingdom, Cardiff
Cardiff University
Spinoglio, L.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Stevens, Jason A.
United Kingdom, Hatfield
University of Hertfordshire
Srinivasan, Sundar
France, Paris
Sorbonne Université
Symeonidis, Myrto
United Kingdom, London
University College London
Swinyard, Bruce M.
United Kingdom, Didcot
Rutherford Appleton Laboratory
Trichas, Markos
United Kingdom, London
Imperial College London
Vaccari, Mattia
Italy, Padua
Università Degli Studi Di Padova
Vigroux, Laurent G.
France, Paris
Sorbonne Université
Wozniak, Hervé
France, Strasbourg
Observatoire Astronomique de Strasbourg
Wright, Gillian S.
United Kingdom, Edinburgh
Uk Astronomy Technology Centre
Statistics
Citations: 78
Authors: 58
Affiliations: 24
Identifiers
Doi:
10.1051/0004-6361/201014558
ISSN:
14320746