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  • Yildiz, U. A.Universiteit Leiden (UL),Leiden University (UL) (author)

Herschel/HIFI observations of high-J CO lines in the NGC 1333 low-mass star-forming region

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

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

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-51357
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-51357URI
  • https://doi.org/10.1051/0004-6361/201015119DOI
  • https://research.chalmers.se/publication/131378URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • authorCount :63
  • Herschel/HIFI observations of high-J lines (up to J(u) = 10) of (CO)-C-12, (CO)-C-13 and (CO)-O-18 are presented toward three deeply embedded low-mass protostars, NGC 1333 IRAS 2A, IRAS 4A, and IRAS 4B, obtained as part of the Water In Star-forming regions with Herschel (WISH) key program. The spectrally-resolved HIFI data are complemented by ground-based observations of lower-J CO and isotopologue lines. The (CO)-C-12 10-9 profiles are dominated by broad (FWHM 25-30 km s(-1)) emission. Radiative transfer models are used to constrain the temperature of this shocked gas to 100-200 K. Several CO and (CO)-C-13 line profiles also reveal a medium-broad component (FWHM5-10 km s(-1)), seen prominently in H2O lines. Column densities for both components are presented, providing a reference for determining abundances of other molecules in the same gas. The narrow (CO)-O-18 9-8 lines probe the warmer part of the quiescent envelope. Their intensities require a jump in the CO abundance at an evaporation temperature around 25 K, thus providing new direct evidence for a CO ice evaporation zone around low-mass protostars.

Subject headings and genre

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

  • van Dishoeck, E. F.Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Universiteit Leiden (UL),Leiden University (UL) (author)
  • Kristensen, L. E.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Visser, R.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Jorgensen, J. K.Köpenhamns universitet,University of Copenhagen (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 Kempen, T. A.Harvard-Smithsonian Center for Astrophysics,Universiteit Leiden (UL),Leiden University (UL) (author)
  • Hogerheijde, M. R.Universiteit Leiden (UL),Leiden University (UL),Netherlands Institute for Space Research (SRON) (author)
  • Doty, S. D.Denison University (author)
  • Benz, A. O.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH) (author)
  • Bruderer, S.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH) (author)
  • Wampfler, S. F.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH) (author)
  • Deul, E.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Bachiller, R.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Baudry, A.Laboratoire d'Astrophysique de Bordeaux (author)
  • Benedettini, M.Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata (author)
  • Bergin, E.University of Michigan (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)
  • Caselli, P.University of Leeds,Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory (author)
  • Cernicharo, J.Centro de Astrobiologia (CAB) (author)
  • Codella, C.Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory,Anton Pannekoek Institute for Astronomy,Radboud Universiteit,Radboud University,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Western University,University of Waterloo,Netherlands Institute for Space Research (SRON) (author)
  • Daniel, F.Centro de Astrobiologia (CAB) (author)
  • di Giorgio, A. M.Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata (author)
  • Dominik, C. (author)
  • Encrenaz, P.LERMA - Laboratoire d'Etudes du Rayonnement et de la Matiere en Astrophysique et Atmospheres, France (author)
  • Fich, M.University of Waterloo (author)
  • Fuente, A.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • Giannini, T.Osservatorio Astronomico di Roma (author)
  • Goicoechea, J. R.Centro de Astrobiologia (CAB) (author)
  • de Graauw, Th.Netherlands Institute for Space Research (SRON) (author)
  • Helmich, F.Netherlands Institute for Space Research (SRON) (author)
  • Herpin, F.Laboratoire d'Astrophysique de Bordeaux (author)
  • Jacq, T.Laboratoire d'Astrophysique de Bordeaux (author)
  • Johnstone, D.National Research Council Canada,University of Victoria (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)
  • Liu, F. -C (author)
  • Marseille, M.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • McCoey, C. (author)
  • Melnick, G.Harvard-Smithsonian Center for Astrophysics (author)
  • Neufeld, D.Johns Hopkins University (author)
  • Nisini, B.Osservatorio Astronomico di Roma (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) (author)
  • Pearson, J. C. (author)
  • Plume, R.University of Calgary (author)
  • Risacher, C. (author)
  • Santiago-Garcia, J.Institut de Radioastronomie Millimétrique (IRAM) (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)
  • Tielens, A. G. G. M. (author)
  • van der Tak, F.Netherlands Institute for Space Research (SRON),Rijksuniversiteit Groningen,University of Groningen (author)
  • Wyrowski, F.Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
  • Dieleman, P.Netherlands Institute for Space Research (SRON) (author)
  • Jellema, W.Netherlands Institute for Space Research (SRON) (author)
  • Ossenkopf, V.Universität zu Köln,University of Cologne (author)
  • Schieder, R.Universität zu Köln,University of Cologne (author)
  • Stutzki, J.Universität zu Köln,University of Cologne (author)
  • Universiteit Leiden (UL)Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG) (creator_code:org_t)

Related titles

  • In:Astronomy and Astrophysics: EDP Sciences521, s. L40-0004-63611432-0746

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