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TOI-220b: a warm su...
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Hoyer, S.Aix-Marseille Université,Aix Marseille University
(author)
TOI-220b: a warm sub-Neptune discovered by TESS
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2021-05-22
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Oxford University Press (OUP),2021
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:research.chalmers.se:22a26d20-d95e-4875-bf7a-8c6e83e417ba
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https://doi.org/10.1093/mnras/stab1427DOI
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https://research.chalmers.se/publication/525341URI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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In this paper, we report the discovery of TOI-220b, a new sub-Neptune detected by the Transiting Exoplanet Survey Satellite (TESS) and confirmed by radial velocity follow-up observations with the HARPS spectrograph. Based on the combined analysis of TESS transit photometry and high precision radial velocity measurements, we estimate a planetary mass of 13.8 +/- 1.0M(circle plus) and radius of 3.03 +/- 0.15R(circle plus), implying a bulk density of 2.73 +/- 0.47. TOI-220b orbits a relative bright (V=10.4) and old (10.1 +/- 1.4Gyr) K dwarf star with a period of similar to 10.69d. Thus, TOI-220b is a new warm sub-Neptune with very precise mass and radius determinations. A Bayesian analysis of the TOI-220b internal structure indicates that due to the strong irradiation it receives, the low density of this planet could be explained with a steam atmosphere in radiative-convective equilibrium and a supercritical water layer on top of a differentiated interior made of a silicate mantle and a small iron core.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Gandolfi, D.Universita degli Studi di Torino,University of Turin
(author)
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Armstrong, D. J.The University of Warwick
(author)
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Deleuil, M.Aix-Marseille Université,Aix Marseille University
(author)
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Acuna, L.Aix-Marseille Université,Aix Marseille University
(author)
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de Medeiros, J. R.Universidade Federal do Rio Grande do Norte,Federal University of Rio Grande do Norte
(author)
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Goffo, E.Universita degli Studi di Torino,University of Turin
(author)
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Lillo-Box, J.
(author)
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Delgado Mena, E.Universidade do Porto,University of Porto
(author)
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Lopez, T. A.Aix-Marseille Université,Aix Marseille University
(author)
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Santerne, A.Aix-Marseille Université,Aix Marseille University
(author)
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Sousa, S.Universidade do Porto,University of Porto
(author)
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Fridlund, Malcolm,1952Universiteit Leiden (UL),Leiden University (UL),Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)malfri
(author)
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Adibekyan, VUniversidade do Porto,University of Porto
(author)
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Collins, K. A.Harvard-Smithsonian Center for Astrophysics
(author)
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Serrano, L. M.Universita degli Studi di Torino,University of Turin
(author)
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Cortes-Zuleta, P.Aix-Marseille Université,Aix Marseille University
(author)
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Howell, S. B.NASA Ames Research Center
(author)
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Deeg, H.Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
(author)
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Aguichine, A.Aix-Marseille Université,Aix Marseille University
(author)
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Barragan, O.University Of Oxford
(author)
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Bryant, E. M.The University of Warwick
(author)
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Canto Martins, B. L.Universidade Federal do Rio Grande do Norte,Federal University of Rio Grande do Norte
(author)
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Collins,George Mason University
(author)
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Cooke, B. F.The University of Warwick
(author)
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Diaz, R. F.Universidad Nacional de San Martín (UNSAM),National University of General San Martin (UNSAM)
(author)
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Esposito, M.Thüringer Landessternwarte Tautenburg
(author)
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Furlan, E.California Institute of Technology (Caltech)
(author)
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Hojjatpanah, S.Universidade do Porto,University of Porto
(author)
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Jackman, J.The University of Warwick
(author)
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Jenkins, J. M.NASA Ames Research Center
(author)
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Jensen, E. L. N.Swarthmore College
(author)
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Latham, D. W.Universiteit Leiden (UL),Leiden University (UL)
(author)
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Leao, I. C.Universidade Federal do Rio Grande do Norte,Federal University of Rio Grande do Norte
(author)
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Matson, R. A.
(author)
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Nielsen, L. D.Université de Genève,University of Geneva
(author)
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Osborn, A.The University of Warwick
(author)
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Otegi, J. F.Universität Zürich,University of Zürich,Université de Genève,University of Geneva
(author)
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Rodler, F.European Southern Observatory Santiago
(author)
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Sabotta, S.Thüringer Landessternwarte Tautenburg
(author)
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Scott, N. J.NASA Ames Research Center
(author)
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Seager, S.Massachusetts Institute of Technology (MIT)
(author)
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Stockdale, C.
(author)
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Strom, P. A.The University of Warwick
(author)
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Vanderspek, R.Massachusetts Institute of Technology (MIT)
(author)
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Van Eylen, V.University College London (UCL)
(author)
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Wheatley, P. J.The University of Warwick
(author)
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Winn, J. N.Princeton University
(author)
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Almenara, J. M.Université Grenoble Alpes,Grenoble Alpes University
(author)
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Barrado, D.
(author)
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Barros, S. C. C.Universidade do Porto,University of Porto
(author)
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Bayliss, D.The University of Warwick
(author)
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Bouchy, F.Université de Genève,University of Geneva
(author)
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Boyd, P. T.NASA Goddard Space Flight Center
(author)
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Cabrera, J.Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
(author)
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Cochran, W. D.The University of Texas at Austin, USA,The University of Texas at Austin, USA
(author)
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Demangeon, O.Universidade do Porto,University of Porto
(author)
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Doty, J. P.
(author)
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Dumusque, X.Université de Genève,University of Geneva
(author)
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Figueira, P.Universidade do Porto,University of Porto,European Southern Observatory Santiago
(author)
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Fong, W.Massachusetts Institute of Technology (MIT)
(author)
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Grziwa, S.Universität zu Köln,University of Cologne
(author)
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Hatzes, A. P.Thüringer Landessternwarte Tautenburg
(author)
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Kabath, P.Czech Academy of Sciences
(author)
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Knudstrup, E.Århus Universitet,Aarhus University
(author)
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Korth, J.Universität zu Köln,University of Cologne
(author)
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Livingston, J. H.University of Tokyo, Japan
(author)
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Luque, R.Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
(author)
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Mousis, O.Aix-Marseille Université,Aix Marseille University
(author)
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Mullally, S. E.Space Telescope Science Institute (STScI)
(author)
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Osborn, H. P.Massachusetts Institute of Technology (MIT),Universität Bern,University of Bern
(author)
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Palle, E.Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
(author)
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Persson, Carina,1964Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)carina64
(author)
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Redfield, S.Wesleyan University
(author)
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Santos, N. C.Universidade do Porto,University of Porto
(author)
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Smith, J.NASA Ames Research Center,SETI Institute
(author)
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Subjak, J.Czech Academy of Sciences
(author)
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Twicken, J. D.SETI Institute,NASA Ames Research Center
(author)
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Udry, S.Université de Genève,University of Geneva
(author)
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Yahalomi, D. A.Columbia University in the City of New York,Harvard-Smithsonian Center for Astrophysics
(author)
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Aix-Marseille UniversitéUniversita degli Studi di Torino
(creator_code:org_t)
Related titles
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In:Monthly Notices of the Royal Astronomical Society: Oxford University Press (OUP)505:3, s. 3361-33790035-87111365-2966
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- By the author/editor
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Hoyer, S.
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Gandolfi, D.
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Armstrong, D. J.
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Deleuil, M.
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Acuna, L.
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de Medeiros, J. ...
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show more...
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Goffo, E.
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Lillo-Box, J.
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Delgado Mena, E.
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Lopez, T. A.
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Santerne, A.
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Sousa, S.
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Fridlund, Malcol ...
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Adibekyan, V
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Collins, K. A.
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Serrano, L. M.
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Cortes-Zuleta, P ...
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Howell, S. B.
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Deeg, H.
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Aguichine, A.
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Barragan, O.
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Bryant, E. M.
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Canto Martins, B ...
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Collins,
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Cooke, B. F.
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Diaz, R. F.
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Esposito, M.
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Furlan, E.
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Hojjatpanah, S.
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Jackman, J.
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Jenkins, J. M.
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Jensen, E. L. N.
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Latham, D. W.
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Leao, I. C.
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Matson, R. A.
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Nielsen, L. D.
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Osborn, A.
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Otegi, J. F.
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Rodler, F.
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Sabotta, S.
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Scott, N. J.
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Seager, S.
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Stockdale, C.
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Strom, P. A.
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Vanderspek, R.
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Van Eylen, V.
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Wheatley, P. J.
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Winn, J. N.
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Almenara, J. M.
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Barrado, D.
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Barros, S. C. C.
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Bayliss, D.
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Bouchy, F.
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Boyd, P. T.
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Cabrera, J.
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Cochran, W. D.
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Demangeon, O.
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Doty, J. P.
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Dumusque, X.
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Figueira, P.
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Fong, W.
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Grziwa, S.
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Hatzes, A. P.
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Kabath, P.
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Knudstrup, E.
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Korth, J.
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Livingston, J. H ...
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Luque, R.
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Mousis, O.
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Mullally, S. E.
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Osborn, H. P.
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Palle, E.
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Persson, Carina, ...
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Redfield, S.
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Santos, N. C.
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Smith, J.
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Subjak, J.
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Twicken, J. D.
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Udry, S.
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Yahalomi, D. A.
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