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  • Johnstone, D.National Research Council Canada,University of Victoria (author)

Herschel/HIFI spectroscopy of the intermediate mass protostar NGC7129 FIRS 2

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

  • 2010-10-01
  • EDP Sciences,2010
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-51354
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-51354URI
  • https://doi.org/10.1051/0004-6361/201015122DOI
  • https://research.chalmers.se/publication/131358URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • authorCount :61
  • Herschel/HIFI observations of water from the intermediate mass protostar NGC 7129 FIRS 2 provide a powerful diagnostic of the physical conditions in this star formation environment. Six spectral settings, covering four (H2O)-O-16 and two (H2O)-O-18 lines, were observed and all but one (H2O)-O-18 line were detected. The four (H2O)-O-16 lines discussed here share a similar morphology: a narrower, approximate to 6kms(-1), component centered slightly redward of the systemic velocity of NGC7129 FIRS 2 and a much broader, approximate to 25 km s(-1) component centered blueward and likely associated with powerful outflows. The narrower components are consistent with emission from water arising in the envelope around the intermediate mass protostar, and the abundance of H2O is constrained to approximate to 10(-7) for the outer envelope. Additionally, the presence of a narrow self-absorption component for the lowest energy lines is likely due to self-absorption from colder water in the outer envelope. The broader component, where the H2O/CO relative abundance is found to be approximate to 0.2, appears to be tracing the same energetic region that produces strong CO emission at high J.

Subject headings and genre

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

  • Fich, M.University of Waterloo (author)
  • McCoey, C.University of Waterloo,Western University (author)
  • van Kempen, T. A.Universiteit Leiden (UL),Leiden University (UL),Harvard-Smithsonian Center for Astrophysics (author)
  • Fuente, A.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Kristensen, L. E.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Cernicharo, J.Centro de Astrobiologia (CAB) (author)
  • Caselli, P.Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory,University of Leeds (author)
  • Visser, R.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Plume, R.University of Calgary (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.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH) (author)
  • Bachiller, R.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Baudry, A.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH) (author)
  • Benedettini, M.University of Michigan,Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata (author)
  • Bergin, E.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.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.Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata,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.Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata,Netherlands Institute for Space Research (SRON) (author)
  • Dominik, C. (author)
  • Doty, S. D.Denison University (author)
  • Encrenaz, P.LERMA - Laboratoire d'Etudes du Rayonnement et de la Matiere en Astrophysique et Atmospheres, France (author)
  • Giannini, T.Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata (author)
  • Goicoechea, J. R.Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory (author)
  • de Graauw, Th.Atacama Large Millimeter-submillimeter Array (ALMA) (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.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Melnick, G.Harvard-Smithsonian Center for Astrophysics (author)
  • Neufeld, D.Johns Hopkins University (author)
  • Nisini, B.Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata (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)
  • Pearson, J. (author)
  • Risacher, C. (author)
  • Santiago-Garcia, J.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Saraceno, P.Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata (author)
  • Shipman, R.Netherlands Institute for Space Research (SRON) (author)
  • Tafalla, M. (author)
  • van der Tak, F.Rijksuniversiteit Groningen,University of Groningen,Netherlands Institute for Space Research (SRON) (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)
  • Caux, E.Rijksuniversiteit Groningen,University of Groningen (author)
  • Honingh, N.Universität zu Köln,University of Cologne (author)
  • Jellema, W.Netherlands Institute for Space Research (SRON) (author)
  • Schieder, R.Universität zu Köln,University of Cologne (author)
  • Teyssier, D.European Space Astronomy Centre (ESAC) (author)
  • Whyborn, N.Atacama Large Millimeter-submillimeter Array (ALMA) (author)
  • National Research Council CanadaUniversity of Victoria (creator_code:org_t)

Related titles

  • In:Astronomy and Astrophysics: EDP Sciences521, s. L41-0004-63611432-0746

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