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Sensitive limits on the abundance of cold water vapor in the DM Tauri protoplanetary disk

Bergin, E. A. (author)
University of Michigan
Hogerheijde, M. R. (author)
Universiteit Leiden (UL),Leiden University (UL),Netherlands Institute for Space Research (SRON)
Brinch, C. (author)
Universiteit Leiden (UL),Leiden University (UL)
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Fogel, J. (author)
University of Michigan
Yildiz, U. A. (author)
Universiteit Leiden (UL),Leiden University (UL)
Kristensen, L. E. (author)
Universiteit Leiden (UL),Leiden University (UL)
van Dishoeck, E. F. (author)
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)
Bell, T. A. (author)
California Institute of Technology (Caltech),Universiteit Leiden (UL),Leiden University (UL)
Blake, G. A. (author)
Centro de Astrobiologia (CAB)
Cernicharo, J. (author)
Anton Pannekoek Institute for Astronomy
Dominik, C. (author)
Radboud Universiteit,Radboud University,Anton Pannekoek Institute for Astronomy
Lis, D. (author)
California Institute of Technology (Caltech)
Melnick, G. (author)
Harvard-Smithsonian Center for Astrophysics,Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
Neufeld, D. (author)
Johns Hopkins University
Panic, O. (author)
European Southern Observatory (ESO)
Pearson, J. C. (author)
University of Leeds,Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory
Bachiller, R. (author)
Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN)
Baudry, A. (author)
Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
Benedettini, M. (author)
Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory
Benz, A. O. (author)
Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
Bjerkeli, Per, 1977 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Bontemps, S. (author)
Institut National des Sciences de l'Univers,Laboratoire d'Astrophysique de Bordeaux
Braine, J. (author)
University of Leeds
Bruderer, S. (author)
Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
Caselli, P. (author)
Codella, C. (author)
Western University,University of Waterloo,Netherlands Institute for Space Research (SRON)
Daniel, F. (author)
Centro de Astrobiologia (CAB)
di Giorgio, A. M. (author)
Doty, S. D. (author)
Denison University
Encrenaz, P. (author)
LERMA - Laboratoire d'Etudes du Rayonnement et de la Matiere en Astrophysique et Atmospheres, France
Fich, M. (author)
University of Waterloo
Fuente, A. (author)
Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN)
Giannini, T. (author)
Osservatorio Astronomico di Roma
Goicoechea, J. R. (author)
Centro de Astrobiologia (CAB)
de Graauw, Th (author)
Netherlands Institute for Space Research (SRON)
Helmich, F. (author)
Netherlands Institute for Space Research (SRON)
Herczeg, G. J. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Herpin, F. (author)
Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
Jacq, T. (author)
Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory
Johnstone, D. (author)
University of Victoria,National Research Council Canada
Jorgensen, J. K. (author)
Köpenhamns universitet,University of Copenhagen
Larsson, Bengt (author)
Stockholms universitet,Institutionen för astronomi,Stockholm University
Liseau, René, 1949 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Marseille, M. (author)
Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN)
Mc Coey, C. (author)
Nisini, B. (author)
Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
Olberg, Michael, 1956 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Parise, B. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Plume, R. (author)
University of Calgary
Risacher, C. (author)
Santiago-Garcia, J. (author)
Institut de Radioastronomie Millimétrique (IRAM)
Saraceno, P. (author)
Universita degli Studi di Roma Tor Vergata,University of Rome Tor Vergata
Shipman, R. (author)
Netherlands Institute for Space Research (SRON)
Tafalla, M. (author)
van Kempen, T. A. (author)
Harvard-Smithsonian Center for Astrophysics
Visser, R. (author)
Universiteit Leiden (UL),Leiden University (UL)
Wampfler, S. F. (author)
Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
Wyrowski, F. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
van der Tak, F. (author)
Netherlands Institute for Space Research (SRON),Rijksuniversiteit Groningen,University of Groningen
Jellema, W. (author)
Netherlands Institute for Space Research (SRON)
Tielens, A. G. G. M. (author)
Hartogh, P. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Stuetzki, J. (author)
Universität zu Köln,University of Cologne
Szczerba, R. (author)
Polish Academy of Sciences
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 (creator_code:org_t)
2010-10-01
2010
English.
In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 521, s. L33-
  • Journal article (peer-reviewed)
Abstract Subject headings
Close  
  • We performed a sensitive search for the ground-state emission lines of ortho-and para-water vapor in the DM Tau protoplanetary disk using the Herschel/HIFI instrument. No strong lines are detected down to 3 sigma levels in 0.5 km s(-1) channels of 4.2 mK for the 1(10)-1(01) line and 12.6 mK for the 1(11)-0(00) line. We report a very tentative detection, however, of the 1(10)-1(01) line in the wide band spectrometer, with a strength of T-mb = 2.7 mK, a width of 5.6 km s(-1) and an integrated intensity of 16.0 mK km s(-1). The latter constitutes a 6 sigma detection. Regardless of the reality of this tentative detection, model calculations indicate that our sensitive limits on the line strengths preclude efficient desorption of water in the UV illuminated regions of the disk. We hypothesize that more than 95-99% of the water ice is locked up in coagulated grains that have settled to the midplane.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

ISM: abundances
ISM: molecules
protoplanetary disks
Astronomy and astrophysics
Astronomi och astrofysik

Publication and Content Type

ref (subject category)
art (subject category)

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