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Herschel observatio...
Herschel observations of deuterated water towards Sgr B2(M)
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- Comito, C. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),California Institute of Technology (Caltech),Université de Toulouse,University of Toulouse,LUTH - Laboratoire de l'Univers et de ses Theories
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- Schilke, P. (author)
- 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
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- Rolffs, R. (author)
- Universität zu Köln,University of Cologne,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),University of Michigan,Centro de Astrobiologia (CAB),University of Calgary,Polish Academy of Sciences
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Lis, D. C. (author)
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- Belloche, A. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Bergin, E. A. (author)
- University of Michigan
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- Phillips, T. G. (author)
- California Institute of Technology (Caltech)
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- Bell, T. A. (author)
- California Institute of Technology (Caltech)
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Crockett, N. R. (author)
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- Wang, S. (author)
- University of Michigan
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- Blake, G. A. (author)
- California Institute of Technology (Caltech)
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- Caux, E. (author)
- Université de Toulouse,University of Toulouse,LUTH - Laboratoire de l'Univers et de ses Theories
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Ceccarelli, C. (author)
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- Cernicharo, J. (author)
- Centro de Astrobiologia (CAB)
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- Daniel, F. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories,Centro de Astrobiologia (CAB)
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- Dubernet, M. -L (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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- Emprechtinger, M. (author)
- California Institute of Technology (Caltech)
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- Encrenaz, P. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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- Gerin, M. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories,Institut canadien d'astrophysique théorique,Canadian Institute for Theoretical Astrophysics,Harvard-Smithsonian Center for Astrophysics
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- Giesen, T. F. (author)
- Universität zu Köln,University of Cologne
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Goicoechea, J. R. (author)
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Goldsmith, P. F. (author)
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Gupta, H. (author)
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- Herbst, E. (author)
- Ohio State University
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Joblin, C. (author)
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- Johnstone, D. (author)
- National Research Council Canada
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- Langer, W. D. (author)
- California Institute of Technology (Caltech)
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Latter, W. D. (author)
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- Lord, S. D. (author)
- California Institute of Technology (Caltech),Universität zu Köln,University of Cologne
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Maret, S. (author)
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- Martin, P. G. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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Melnick, G. J. (author)
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- Menten, K. M. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Morris, P. (author)
- California Institute of Technology (Caltech)
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Mueller, H. S. P. (author)
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- Murphy, J. A. (author)
- Maynooth University
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- Neufeld, D. A. (author)
- Johns Hopkins University
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- Ossenkopf, V. (author)
- Universität zu Köln,University of Cologne,Netherlands Institute for Space Research (SRON)
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Pearson, J. C. (author)
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Perault, M. (author)
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Plume, R. (author)
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- Qin, S. -L (author)
- Universität zu Köln,University of Cologne
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- Schlemmer, S. (author)
- Netherlands Institute for Space Research (SRON)
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- Stutzki, J. (author)
- Universität zu Köln,University of Cologne
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- Trappe, N. (author)
- Maynooth University
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van der Tak, F. F. S. (author)
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Vastel, C. (author)
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Yorke, H. W. (author)
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Yu, S. (author)
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- Olberg, Michael, 1956 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Szczerba, R. (author)
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- Larsson, Bengt (author)
- Stockholms universitet,Institutionen för astronomi,Stockholm University
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- Liseau, René, 1949 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Lin, R. H. (author)
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Samoska, L. A. (author)
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Schlecht, E. (author)
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Max Planck Gesellschaft zur Förderung der Wissenschaften eV. (MPG) California Institute of Technology (Caltech) (creator_code:org_t)
- 2010-10-01
- 2010
- English.
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In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 521, s. L38-
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Abstract
Subject headings
Close
- Observations of HDO are an important complement for studies of water, because they give strong constraints on the formation processes - grain surfaces versus energetic process in the gas phase, e. g. in shocks. The HIFI observations of multiple transitions of HDO in Sgr B2(M) presented here allow the determination of the HDO abundance throughout the envelope, which has not been possible before with ground-based observations only. The abundance structure has been modeled with the spherical Monte Carlo radiative transfer code RATRAN, which also takes radiative pumping by continuum emission from dust into account. The modeling reveals that the abundance of HDO rises steeply with temperature from a low abundance (2.5 x 10(-11)) in the outer envelope at temperatures below 100 K through a medium abundance (1.5 x 10(-9)) in the inner envelope/outer core at temperatures between 100 and 200 K, and finally a high abundance (3.5 x 10(-9)) at temperatures above 200 K in the hot core.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- ISM: molecules
- molecular processes
- line: formation
- Astronomy and astrophysics
- Astronomi och astrofysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Comito, C.
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Schilke, P.
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Rolffs, R.
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Lis, D. C.
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Belloche, A.
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Bergin, E. A.
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show more...
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Phillips, T. G.
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Bell, T. A.
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Crockett, N. R.
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Wang, S.
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Blake, G. A.
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Caux, E.
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Ceccarelli, C.
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Cernicharo, J.
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Daniel, F.
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Dubernet, M. -L
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Emprechtinger, M ...
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Encrenaz, P.
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Gerin, M.
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Giesen, T. F.
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Goicoechea, J. R ...
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Goldsmith, P. F.
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Gupta, H.
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Herbst, E.
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Joblin, C.
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Johnstone, D.
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Langer, W. D.
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Latter, W. D.
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Lord, S. D.
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Maret, S.
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Martin, P. G.
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Melnick, G. J.
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Menten, K. M.
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Morris, P.
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Mueller, H. S. P ...
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Murphy, J. A.
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Neufeld, D. A.
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Ossenkopf, V.
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Pearson, J. C.
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Perault, M.
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Plume, R.
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Qin, S. -L
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Schlemmer, S.
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Stutzki, J.
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Trappe, N.
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van der Tak, F. ...
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Vastel, C.
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Yorke, H. W.
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Yu, S.
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Olberg, Michael, ...
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Szczerba, R.
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Larsson, Bengt
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Liseau, René, 19 ...
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Lin, R. H.
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Samoska, L. A.
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Schlecht, E.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
- Articles in the publication
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Astronomy and As ...
- By the university
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Stockholm University
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Chalmers University of Technology