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Ground-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b

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dc.contributor.authorMontes Gutiérrez, David
dc.date.accessioned2023-06-17T13:20:16Z
dc.date.available2023-06-17T13:20:16Z
dc.date.issued2018-12-21
dc.description© The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. Artículo firmado por 28 autores. Parts of the results shown are based on observations obtained with XMM-Newton, an ESA science mission with instruments and contributions directly funded by ESA Member States and NASA. We acknowledge the XMM-Newton Project Scientist for the quick and positive reaction to our request for a director's discretionary time observation of WASP-107. The authors thank the anonymous reviewers for their contribution to this paper. Funding: CARMENES is an instrument for the Centro Astronómico Hispano-Alemán de Calar Alto (CAHA, Almería, Spain). CARMENES is funded by the German Max-Planck-Gesellschaft (MPG), the Spanish Consejo Superior de Investigaciones Científicas (CSIC), the European Union through FEDER/ERF FICTS-2011-02 funds, and the members of the CARMENES Consortium (Max-Planck-Institut für Astronomie, Instituto de Astrofísica de Andalucía, Landessternwarte Königstuhl, Institut de Ciències de l'Espai, Insitut für Astrophysik Göttingen, Universidad Complutense de Madrid, Thüringer Landessternwarte Tautenburg, Instituto de Astrofísica de Canarias, Hamburger Sternwarte, Centro de Astrobiología and Centro Astronómico Hispano-Alemán), with additional contributions by the Spanish Ministry of Economy, the German Science Foundation through the Major Research Instrumentation Programme and DFG Research Unit FOR2544 “Blue Planets around Red Stars”, the Klaus Tschira Stiftung, the states of Baden-Württemberg and Niedersachsen, and by the Junta de Andalucía. We acknowledge funding from the Spanish Ministry of Economy and Competitiveness (MINECO) and the Fondo Europeo de Desarrollo Regional (FEDER) through grants: ESP2016-80435-C2-1-R, ESP 2016-76076-R, ESP2014- 54362-P, ESP 2014-54062-R, AYA2016-79425-C3-2-P, AYA2016-79425-C3-1-P, AYA2016- 79425-C3-2-P, AYA2014-54348-C3-1-R and AYA2016-79425-C3-3-P. Further we acknowledge funding through the Deutsche Forschungsgesellschaft (DFG) through: DFG DR281/32-1, RE 1664/14-1, DFG SFB 676, DFG SCHM 1032/57-1 and by the Deutsches Zentrum für Luft- und Raumfahrt (DLR) through grants DLR 50 OR 1710, DLR 50 OR 1307, BMWi50OR1505 as well as the support of the Generalitat de Catalunya/CERCA programme. I.A.G and F.J.A-F. acknowledge funding from the research programme VICI 639.043.107 17 funded by the Dutch Organisation for Scientific Research (NWO), and funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme under grant agreement No 694513. G.C. acknowledges the support by the National Natural Science Foundation of China (Grant No. 11503088) and the Natural Science Foundation of Jiangsu Province (Grant No. BK20151051).
dc.description.abstractHot gas giant exoplanets can lose part of their atmosphere due to strong stellar irradiation, affecting their physical and chemical evolution. Studies of atmospheric escape from 2 exoplanets have mostly relied on space-based observations of the hydrogen Lyman-α line in the far ultraviolet which is strongly affected by interstellar absorption. Using ground-based high-resolution spectroscopy we detect excess absorption in the helium triplet at 1083 nm during the transit of the Saturn-mass exoplanet WASP-69b, at a signal-to-noise ratio of 18. We measure line blue shifts of several km s^(-1) and post transit absorption, which we interpret as the escape of part of the atmosphere trailing behind the planet in comet-like form.
dc.description.departmentDepto. de Física de la Tierra y Astrofísica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipUnión Europea. H2020
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO)/FEDER
dc.description.sponsorshipDeutsche Forschungsgesellschaft (DFG)
dc.description.sponsorshipCARMENES Consortium
dc.description.sponsorshipXMM-Newton Project Scientist
dc.description.sponsorshipGerman Max-Planck-Gesellschaft (MPG)
dc.description.sponsorshipSpanish Consejo Superior de Investigaciones Científicas (CSIC)
dc.description.sponsorshipInstituto de Astrofísica de Andalucía
dc.description.sponsorshipLandessternwarte Königstuhl
dc.description.sponsorshipInstitut de Ciències de l'Espai
dc.description.sponsorshipInsitut für Astrophysik Göttingen
dc.description.sponsorshipUniversidad Complutense de Madrid
dc.description.sponsorshipThüringer Landessternwarte Tautenburg
dc.description.sponsorshipInstituto de Astrofísica de Canarias
dc.description.sponsorshipHamburger Sternwarte
dc.description.sponsorshipCentro de Astrobiología and Centro Astronómico Hispano-Alemán
dc.description.sponsorshipthe German Science Foundation through the Major Research Instrumentation Programme
dc.description.sponsorshipDFG Research Unit FOR2544 “Blue Planets around Red Stars”
dc.description.sponsorshipKlaus Tschira Stiftung
dc.description.sponsorshipthe states of Baden-Württemberg and Niedersachsen
dc.description.sponsorshipJunta de Andalucía, Spain
dc.description.sponsorshipDeutsches Zentrum für Luft- und Raumfahrt (DLR)
dc.description.sponsorshipGeneralitat de Catalunya/CERCA programme. I.A.G and F.J.A-F
dc.description.sponsorshipDutch Organisation for Scientific Research (NWO)
dc.description.sponsorshipNational Natural Science Foundation of China
dc.description.sponsorshipNatural Science Foundation of Jiangsu Province
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/51663
dc.identifier.doi10.1126/science.aat5348
dc.identifier.issn0036-8075
dc.identifier.officialurlhttp://dx.doi.org/10.1126/science.aat5348
dc.identifier.relatedurlhttp://science.sciencemag.org
dc.identifier.relatedurlhttps://arxiv.org/abs/1812.03119
dc.identifier.urihttps://hdl.handle.net/20.500.14352/13138
dc.issue.number6421
dc.journal.titleScience
dc.language.isoeng
dc.page.final1391
dc.page.initial1388
dc.publisherAmer Assoc Advancement Science
dc.relation.projectIDEXOPLANETBIO (694513)
dc.relation.projectID(ESP 2014-54062-R;ESP2014- 54362-P; ESP 2016-76076-R;ESP2016-80435-C2-1-R ;AYA2016-79425-C3-1-P; AYA2016- 79425-C3-2-P; AYA2014-54348-C3-1-R; AYA2016-79425-C3-3-P)
dc.relation.projectIDFICTS-2011-02
dc.relation.projectIDDFG DR281/32-1
dc.relation.projectIDRE 1664/14-1
dc.relation.projectIDDFG SFB 676
dc.relation.projectIDDFG SCHM 1032/57-1
dc.relation.projectIDDLR 50 OR 1710
dc.relation.projectIDDLR 50 OR 1307
dc.relation.projectIDVICI 639.043.107 17
dc.relation.projectIDBMWi50OR1505
dc.relation.projectID11503088
dc.relation.projectIDBK20151051
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordBright K-star
dc.subject.keywordOrbital motion
dc.subject.keywordGiant planet
dc.subject.keywordHot
dc.subject.keywordTransits
dc.subject.keywordAngstrom
dc.subject.keywordWater
dc.subject.keywordLine
dc.subject.keywordSpin
dc.subject.ucmAstrofísica
dc.titleGround-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b
dc.typejournal article
dc.volume.number362
dspace.entity.typePublication
relation.isAuthorOfPublication2dfe4286-12c7-4d3a-bfda-d298a90cc8fe
relation.isAuthorOfPublication.latestForDiscovery2dfe4286-12c7-4d3a-bfda-d298a90cc8fe

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