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Water in the terres...
Water in the terrestrial planet-forming zone of the PDS 70 disk
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- Perotti, G. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Christiaens, V. (author)
- Universite de Liège,University of Liège,Royal Observatory
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- Henning, Th. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Tabone, B. (author)
- Institut d'Astrophysique Spatiale
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- Waters, L. B. F. M. (author)
- Radboud Universiteit,Radboud University,Netherlands Institute for Space Research (SRON),Rijksuniversiteit Groningen,University of Groningen
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- Kamp, I. (author)
- Rijksuniversiteit Groningen,University of Groningen
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- Olofsson, Göran, 1944- (author)
- Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC),Stockholm University
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- Grant, S. L. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Gasman, D. (author)
- Katholieke Universiteit Leuven
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- Bouwman, J. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Samland, 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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- Franceschi, 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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- van Dishoeck, E. F. (author)
- 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)
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- Schwarz, K. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Güdel, M. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Universität Wien,University of Vienna,Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
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- Lagage, P. -O. (author)
- Université Paris-Saclay,University Paris-Saclay
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- Ray, T. P. (author)
- Dublin Institute for Advanced Studies
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- Vandenbussche, B. (author)
- Katholieke Universiteit Leuven
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- Abergel, A. (author)
- Institut d'Astrophysique Spatiale,Dublin Institute for Advanced Studies,Osservatorio Astronomico di Capodimonte,Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
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- Absil, O. (author)
- Universite de Liège,University of Liège
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- Arabhavi, A. M. (author)
- Rijksuniversiteit Groningen,University of Groningen
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- Argyriou, I. (author)
- Katholieke Universiteit Leuven
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- Barrado, D. (author)
- Centro de Astrobiologia (CAB)
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- Boccaletti, A. (author)
- Observatoire de Paris,Paris Observatory
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Garatti, A. Caratti o (author)
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Geers, V. (author)
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Glauser, A. M. (author)
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- Justtanont, Kay, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Lahuis, F. (author)
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- Mueller, M. (author)
- Centro de Astrobiologia (CAB)
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- Nehmé, C. (author)
- Université Paris-Saclay,University Paris-Saclay
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- Pantin, E. (author)
- Université Paris-Saclay,University Paris-Saclay
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Scheithauer, S. (author)
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- Waelkens, C. (author)
- Katholieke Universiteit Leuven
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- Guadarrama, R. (author)
- Universität Wien,University of Vienna
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- Jang, H. (author)
- Radboud Universiteit,Radboud University
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- Kanwar, J. (author)
- Rijksuniversiteit Groningen,University of Groningen,Technische Universität Graz
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Morales-Calderón, M. (author)
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- Pawellek, N. (author)
- Universität Wien,University of Vienna
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- Rodgers-Lee, D. (author)
- Dublin Institute for Advanced Studies
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- Schreiber, J. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Colina, L. (author)
- Centro de Astrobiologia (CAB)
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- Greve, T. R. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Östlin, Göran, 1968- (author)
- Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Wright, G. (author)
- Royal Observatory
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Max Planck Gesellschaft zur Förderung der Wissenschaften eV. (MPG) Universite de Liège (creator_code:org_t)
- 2023
- 2023
- English.
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In: Nature. - 0028-0836 .- 1476-4687. ; 620:7974, s. 516-520
- Related links:
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https://doi.org/10.1...
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https://research.cha... (primary) (free)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- Terrestrial and sub-Neptune planets are expected to form in the inner (less than 10 AU) regions of protoplanetary disks1. Water plays a key role in their formation2,3,4, although it is yet unclear whether water molecules are formed in situ or transported from the outer disk5,6. So far Spitzer Space Telescope observations have only provided water luminosity upper limits for dust-depleted inner disks7, similar to PDS 70, the first system with direct confirmation of protoplanet presence8,9. Here we report JWST observations of PDS 70, a benchmark target to search for water in a disk hosting a large (approximately 54 AU) planet-carved gap separating an inner and outer disk10,11. Our findings show water in the inner disk of PDS 70. This implies that potential terrestrial planets forming therein have access to a water reservoir. The column densities of water vapour suggest in-situ formation via a reaction sequence involving O, H2 and/or OH, and survival through water self-shielding5. This is also supported by the presence of CO2 emission, another molecule sensitive to ultraviolet photodissociation. Dust shielding, and replenishment of both gas and small dust from the outer disk, may also play a role in sustaining the water reservoir12. Our observations also reveal a strong variability of the mid-infrared spectral energy distribution, pointing to a change of inner disk geometry.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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Nature
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To the university's database
- By the author/editor
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Perotti, G.
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Christiaens, V.
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Henning, Th.
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Tabone, B.
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Waters, L. B. F. ...
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Kamp, I.
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show more...
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Olofsson, Göran, ...
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Grant, S. L.
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Gasman, D.
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Bouwman, J.
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Samland, M.
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Franceschi, R.
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van Dishoeck, E. ...
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Schwarz, K.
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Güdel, M.
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Lagage, P. -O.
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Ray, T. P.
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Vandenbussche, B ...
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Abergel, A.
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Absil, O.
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Arabhavi, A. M.
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Argyriou, I.
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Barrado, D.
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Boccaletti, A.
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Garatti, A. Cara ...
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Geers, V.
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Glauser, A. M.
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Justtanont, Kay, ...
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Lahuis, F.
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Mueller, M.
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Nehmé, C.
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Pantin, E.
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Scheithauer, S.
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Waelkens, C.
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Guadarrama, R.
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Jang, H.
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Kanwar, J.
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Morales-Calderón ...
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Pawellek, N.
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Rodgers-Lee, D.
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Schreiber, J.
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Colina, L.
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Greve, T. R.
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Östlin, Göran, 1 ...
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Wright, G.
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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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Nature
- By the university
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Stockholm University
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Chalmers University of Technology