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Detection of OH+ an...
Detection of OH+ and H2O+ towards Orion KL
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Gupta, H. (author)
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- Rimmer, P. (author)
- Ohio State University,University of Calgary
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- Pearson, J. C. (author)
- Centro de Astrobiologia (CAB),Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),LUTH - Laboratoire de l'Univers et de ses Theories,Université de Toulouse,University of Toulouse
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Yu, S. (author)
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- Herbst, E. (author)
- Ohio State University
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- Harada, N. (author)
- Ohio State University,Stockholms universitet,Stockholm University
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- Bergin, E. A. (author)
- University of Michigan
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- Neufeld, D. A. (author)
- Johns Hopkins University
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- Melnick, G. J. (author)
- Harvard-Smithsonian Center for Astrophysics,LUTH - Laboratoire de l'Univers et de ses Theories
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- Bachiller, R. (author)
- Observatorio de Yebes (IGN),Yebes Observatory
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- Baechtold, W. (author)
- Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH),California Institute of Technology (Caltech)
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- Bell, T. A. (author)
- California Institute of Technology (Caltech)
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- Blake, G. A. (author)
- California Institute of Technology (Caltech)
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- Caux, E. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories,Université de Toulouse,University of Toulouse
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- Ceccarelli, C. (author)
- Observatorio de Yebes (IGN),Yebes Observatory,California Institute of Technology (Caltech),Université de Toulouse,University of Toulouse,LUTH - Laboratoire de l'Univers et de ses Theories
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Cernicharo, J. (author)
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Chattopadhyay, G. (author)
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Comito, C. (author)
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- Cabrit, S. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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- Crockett, N. R. (author)
- University of Michigan
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- Daniel, F. (author)
- Centro de Astrobiologia (CAB),LUTH - Laboratoire de l'Univers et de ses Theories
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- Falgarone, E. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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Diez-Gonzalez, M. C. (author)
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- Dubernet, M.-L. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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- Erickson, N. (author)
- University of Massachusetts
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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)
- Institut canadien d'astrophysique théorique,Canadian Institute for Theoretical Astrophysics
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Gill, J. J. (author)
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- Giesen, T. F. (author)
- Universität zu Köln,University of Cologne
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- Goicoechea, J. R. (author)
- Centro de Astrobiologia (CAB)
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Goldsmith, P. F. (author)
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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)
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- Larsson, Bengt (author)
- Stockholms universitet,Institutionen för astronomi,Stockholm University
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Latter, W. B. (author)
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Lin, R. H. (author)
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Lis, D. C. (author)
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- Liseau, René, 1949 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lord, S. D. (author)
- California Institute of Technology (Caltech),Universität zu Köln,University of Cologne
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Maiwald, F. W. (author)
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- Maret, S. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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- Martin, P. G. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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- Martin-Pintado, J. (author)
- Centro de Astrobiologia (CAB)
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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),Centro de Astrobiologia (CAB)
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- Morris, P. (author)
- California Institute of Technology (Caltech)
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- Müller, H. S. P. (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)
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- Murphy, J. A. (author)
- Maynooth University
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- Nordh, L. H. (author)
- National Research Council Canada
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- Olberg, Michael, 1956 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ossenkopf, V. (author)
- Netherlands Institute for Space Research (SRON),Universität zu Köln,University of Cologne
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- Pagani, L. (author)
- LUTH - Laboratoire de l'Univers et de ses Theories
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Pérault, M. (author)
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- Phillips, T. G. (author)
- California Institute of Technology (Caltech)
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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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Salez, M. (author)
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Samoska, L. A. (author)
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Schilke, P. (author)
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Schlecht, E. (author)
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- Schlemmer, S. (author)
- Netherlands Institute for Space Research (SRON),University of Michigan,Universität zu Köln,University of Cologne
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- Szczerba, R. (author)
- Polish Academy of Sciences
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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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Wang, S. (author)
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Yorke, H. W. (author)
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- Zmuidzinas, J. (author)
- California Institute of Technology (Caltech)
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- Boogert, A. (author)
- California Institute of Technology (Caltech)
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- Güsten, R. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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Hartogh, P. (author)
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Honingh, N. (author)
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- Karpov, A. (author)
- California Institute of Technology (Caltech)
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- Kooi, J. (author)
- California Institute of Technology (Caltech)
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Krieg, J.-M. (author)
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Schieder, R. (author)
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- Zaal, P. (author)
- Netherlands Institute for Space Research (SRON)
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(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. L47-
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http://publications.... (primary) (free)
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Abstract
Subject headings
Close
- We report observations of the reactive molecular ions OH+, H2O+, and H3O+ towards Orion KL with Herschel/HIFI. All three N = 1-0 fine-structure transitions of OH+ at 909, 971, and 1033 GHz and both fine-structure components of the doublet ortho-H2O+ 111-000 transition at 1115 and 1139 GHz were detected; an upper limit was obtained for H3O+. OH+ and H2O+ are observed purely in absorption, showing a narrow component at the source velocity of 9 km s-1, and a broad blueshifted absorption similar to that reported recently for HF and para-H218O, and attributed to the low velocity outflow of Orion KL. We estimate column densities of OH+ and H2O+ for the 9 km s-1 component of 9 ± 3 × 1012 cm-2 and 7 ± 2 × 1012 cm-2, and those in the outflow of 1.9 ± 0.7 × 1013 cm-2 and 1.0 ± 0.3 × 1013 cm-2. Upper limits of 2.4 × 1012 cm-2 and 8.7 × 1012 cm-2 were derived for the column densities of ortho and para-H3O+ from transitions near 985 and 1657 GHz. The column densities of the three ions are up to an order of magnitude lower than those obtained from recent observations of W31C and W49N. The comparatively low column densities may be explained by a higher gas density despite the assumption of a very high ionization rate.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- astrochemistry
- molecular processes
- line: identification
- ISM: abundances
- submillimeter: ISM
- stars: winds
- outflows
- Astronomy and astrophysics
- Astronomi och astrofysik
- Astronomy
- astronomi
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database
- By the author/editor
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Gupta, H.
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Rimmer, P.
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Pearson, J. C.
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Yu, S.
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Herbst, E.
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Harada, N.
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show more...
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Bergin, E. A.
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Neufeld, D. A.
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Melnick, G. J.
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Bachiller, R.
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Baechtold, W.
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Bell, T. A.
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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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Chattopadhyay, G ...
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Comito, C.
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Cabrit, S.
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Crockett, N. R.
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Daniel, F.
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Falgarone, E.
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Diez-Gonzalez, M ...
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Dubernet, M.-L.
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Erickson, N.
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Emprechtinger, M ...
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Encrenaz, P.
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Gerin, M.
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Gill, J. J.
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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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Joblin, C.
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Johnstone, D.
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Langer, W. D.
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Larsson, Bengt
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Latter, W. B.
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Lin, R. H.
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Lis, D. C.
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Liseau, René, 19 ...
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Lord, S. D.
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Maiwald, F. W.
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Maret, S.
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Martin, P. G.
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Martin-Pintado, ...
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Menten, K. M.
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Morris, P.
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Müller, H. S. P.
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Murphy, J. A.
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Nordh, L. H.
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Olberg, Michael, ...
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Ossenkopf, V.
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Pagani, L.
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Pérault, M.
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Phillips, T. G.
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Plume, R.
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Qin, S.-L.
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Salez, M.
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Samoska, L. A.
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Schilke, P.
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Schlecht, E.
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Schlemmer, S.
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Szczerba, R.
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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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Wang, S.
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Yorke, H. W.
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Zmuidzinas, J.
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Boogert, A.
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Güsten, R.
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Hartogh, P.
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Honingh, N.
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Karpov, A.
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Kooi, J.
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Krieg, J.-M.
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Schieder, R.
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Zaal, P.
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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