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  • Fich, M.University of Waterloo (author)

Herschel-PACS spectroscopy of the intermediate mass protostar NGC 7129 FIRS 2

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

  • 2010-07-16
  • EDP Sciences,2010
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:0ab3862d-baa6-4d10-b950-af2c13e9055a
  • https://doi.org/10.1051/0004-6361/201014672DOI
  • https://research.chalmers.se/publication/129989URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-51508URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • authorCount :61
  • Aims. We present preliminary results of the first Herschel spectroscopic observations of NGC 7129 FIRS2, an intermediate mass star-forming region. We attempt to interpret the observations in the framework of an in-falling spherical envelope. Methods. The PACS instrument was used in line spectroscopy mode ( R = 1000-5000) with 15 spectral bands between 63 and 185 mu m. This provided good detections of 26 spectral lines seen in emission, including lines of H2O, CO, OH, O I, and C II. Results. Most of the detected lines, particularly those of H2O and CO, are substantially stronger than predicted by the spherical envelope models, typically by several orders of magnitude. In this paper we focus on what can be learned from the detected CO emission lines. Conclusions. It is unlikely that the much stronger than expected line emission arises in the (spherical) envelope of the YSO. The region hot enough to produce such high excitation lines within such an envelope is too small to produce the amount of emission observed. Virtually all of this high excitation emission must arise in structures such as as along the walls of the outflow cavity with the emission produced by a combination of UV photon heating and/or non-dissociative shocks.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Johnstone, D.University of Victoria,National Research Council Canada (author)
  • van Kempen, T. A.Harvard-Smithsonian Center for Astrophysics,Universiteit Leiden (UL),Leiden University (UL) (author)
  • McCoey, C.Western University,University of Waterloo (author)
  • Fuente, A.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Caselli, P.University of Leeds,Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory (author)
  • Kristensen, L.University of Victoria (author)
  • Plume, R.University of Calgary (author)
  • Cernicharo, J.Centro de Astrobiologia (CAB) (author)
  • Herczeg, G. J.Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • van Dishoeck, E. F.Universiteit Leiden (UL),Leiden University (UL),Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Wampfler, S. F.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH) (author)
  • Gaufre, P.Laboratoire d'Astrophysique de Bordeaux (author)
  • Gill, JohnUniversiteit Leiden (UL),Leiden University (UL) (author)
  • Javadi, H. (author)
  • Justen, M.Universität zu Köln,University of Cologne (author)
  • Laauwen, W.Netherlands Institute for Space Research (SRON) (author)
  • Luinge, W.Netherlands Institute for Space Research (SRON) (author)
  • Ossenkopf, V.Universität zu Köln,University of Cologne (author)
  • Pearson, J. C. (author)
  • Bachiller, R.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Baudry, A.Laboratoire d'Astrophysique de Bordeaux (author)
  • Benedettini, M.University of Michigan (author)
  • Bergin, E. A.University of Michigan (author)
  • Benz, A. O.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH) (author)
  • Bjerkeli, Per,1977Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)gu97pebj (author)
  • Blake, G. A.California Institute of Technology (Caltech) (author)
  • Bontemps, S.Laboratoire d'Astrophysique de Bordeaux (author)
  • Braine, J.Laboratoire d'Astrophysique de Bordeaux (author)
  • Bruderer, S.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH) (author)
  • Codella, C.Anton Pannekoek Institute for Astronomy,Netherlands Institute for Space Research (SRON) (author)
  • Daniel, F.LERMA - Laboratoire d'Etudes du Rayonnement et de la Matiere en Astrophysique et Atmospheres, France (author)
  • di Giorgio, A. M.Netherlands Institute for Space Research (SRON) (author)
  • Dominik, C.Anton Pannekoek Institute for Astronomy (author)
  • Doty, S.Denison University (author)
  • Encrenaz, P.LERMA - Laboratoire d'Etudes du Rayonnement et de la Matiere en Astrophysique et Atmospheres, France (author)
  • Giannini, T. (author)
  • Goicoechea, J. R.Centro de Astrobiologia (CAB) (author)
  • de Graauw, T.Netherlands Institute for Space Research (SRON) (author)
  • Helmich, F.Netherlands Institute for Space Research (SRON) (author)
  • Herpin, F.Laboratoire d'Astrophysique de Bordeaux (author)
  • Hogerheijde, M. R.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Jacq, T.Laboratoire d'Astrophysique de Bordeaux (author)
  • Jorgensen, J. K.Köpenhamns universitet,University of Copenhagen (author)
  • Larsson, BengtStockholms universitet,Institutionen för astronomi,Stockholm University(Swepub:su)bem (author)
  • Lis, D.California Institute of Technology (Caltech) (author)
  • Liseau, René,1949Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)liseau (author)
  • Marseille, M.Netherlands Institute for Space Research (SRON),Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Melnick, G. J.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Nisini, B. (author)
  • Olberg, Michael,1956Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)olberg (author)
  • Parise, B.Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Universität zu Köln,University of Cologne (author)
  • Risacher, C.Netherlands Institute for Space Research (SRON) (author)
  • Santiago, J.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Saraceno, P. (author)
  • Shipman, R.Netherlands Institute for Space Research (SRON) (author)
  • Tafalla, M.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • van der Tak, F. F. S.Rijksuniversiteit Groningen,University of Groningen,Netherlands Institute for Space Research (SRON) (author)
  • Visser, R.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Wyrowski, F.Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Yildiz, U. A.Universiteit Leiden (UL),Leiden University (UL) (author)
  • University of WaterlooUniversity of Victoria (creator_code:org_t)

Related titles

  • In:Astronomy and Astrophysics: EDP Sciences518:Article Number: L860004-63611432-0746

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