Publication:
Evidence of energy-, recombination-, and photon-limited escape regimes in giant planet H/He atmospheres

dc.contributor.authorLampón, M.
dc.contributor.authorLópez-Puertas, M.
dc.contributor.authorCzesla, S.
dc.contributor.authorSánchez-López, A.
dc.contributor.authorLara, L. M.
dc.contributor.authorSalz, M.
dc.contributor.authorSanz-Forcada, J.
dc.contributor.authorMolaverdikhani, K.
dc.contributor.authorQuirrenbach, A.
dc.contributor.authorPallé, E.
dc.contributor.authorCaballero, J. A.
dc.contributor.authorHenning, Th.
dc.contributor.authorNortmann, L.
dc.contributor.authorAmado, P. J.
dc.contributor.authorMontes Gutiérrez, David
dc.contributor.authorReiners, A.
dc.contributor.authorRibas, I.
dc.date.accessioned2023-06-17T09:06:33Z
dc.date.available2023-06-17T09:06:33Z
dc.date.issued2021-04-23
dc.description© ESO 2021. We thank the referee for very useful comments. CARMENES is an instrument for the Centro Astronómico Hispano-Alemán (CAHA) at Calar Alto (Almería, Spain), operated jointly by the Junta de Andalucía and the Instituto de Astrofísica de Andalucía (CSIC). CARMENES was funded by the Max-Planck-Gesellschaft (MPG), the Consejo Superior de Investigaciones Científicas (CSIC), the Ministerio de Economía y Competitividad (MINECO) and the European Regional Development Fund (ERDF) through projects FICTS-2011-02, ICTS-2017-07-CAHA-4, and CAHA16- CE-3978, and the members of the CARMENES Consortium (Max-PlanckInstitut für Astronomie, Instituto de Astrofísica de Andalucía, Landessternwarte Königstuhl, Institut de Ciències de l’Espai, Institut 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 MINECO, the Deutsche Forschungsgemeinschaft through the Major Research Instrumentation Programme and 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 financial support from the Agencia Estatal de Investigación of the Ministerio de Ciencia, Innovación y Universidades and the ERDF through projects ESP2016–76076–R, ESP2017–87143– R, BES–2015–074542, PID2019-110689RB-I00/AEI/10.13039/501100011033, PGC2018-099425–B–I00, PID2019-109522GB-C51/2/3/4, PGC2018-098153- B-C33, AYA2016-79425-C3-1/2/3-P, ESP2016-80435-C2-1-R, and the Centre of Excellence “Severo Ochoa” and “María de Maeztu” awards to the Instituto de Astrofísica de Canarias (SEV-2015-0548), Instituto de Astrofísica de Andalucía (SEV-2017-0709), and Centro de Astrobiología (MDM-2017-0737), and the Generalitat de Catalunya/CERCA programme. T.H. acknowledges support from the European Research Council under the Horizon 2020 Framework Program via the ERC Advanced Grant Origins 832428. A.S.L. acknowledges funding from the European Research Council under the European Union’s Horizon 2020 research and innovation program under grant agreement No 694513.
dc.description.abstractHydrodynamic escape is the most efficient atmospheric mechanism of planetary mass loss and has a large impact on planetary evolution. Three hydrodynamic escape regimes have been identified theoretically: energy-limited, recombination-limited, and photonlimited. However, no evidence of these regimes had been reported until now. Here, we report evidence of these three regimes via an analysis of a helium I triplet at 10 830 Å and Lyα absorption involving a 1D hydrodynamic model that allows us to estimate hydrogen recombination and advection rates. In particular, we show that HD 209458 b is in the energy-limited regime, HD 189733 b is in the recombination-limited regime, and GJ 3470 b is in the photon-limited regime. These exoplanets can be considered as benchmark cases for their respective regimes.
dc.description.departmentDepto. de Física de la Tierra y Astrofísica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipUnión Europea. Horizonte 2020
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO)/FEDER
dc.description.sponsorshipMinisterio de Ciencia e Innovación (MICCIN)
dc.description.sponsorshipCentro de Excelencia Severo Ochoa y María de Maeztu
dc.description.sponsorshipJunta de Andalucía
dc.description.sponsorshipInstituto de Astrofísica de Andalucía (CSIC)
dc.description.sponsorshipthe Max-Planck-Gesellschaft (MPG)
dc.description.sponsorshipConsejo Superior de Investigaciones Científicas (CSIC)
dc.description.sponsorshipMax-PlanckInstitut für Astronomie
dc.description.sponsorshipLandessternwarte Königstuhl
dc.description.sponsorshipInstitut de Ciències de l’Espai
dc.description.sponsorshipInstitut 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.sponsorshipDeutsche Forschungsgemeinschaft through the Major Research Instrumentation Programme and Research Unit FOR2544 “Blue Planets around Red Stars”
dc.description.sponsorshipKlaus Tschira Stiftung
dc.description.sponsorshipStates of Baden-Württemberg and Niedersachsen
dc.description.sponsorshipGeneralitat de Catalunya/CERCA programme
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/65858
dc.identifier.doi10.1051/0004-6361/202140423
dc.identifier.issn0004-6361
dc.identifier.officialurlhttp://dx.doi.org/10.1051/0004-6361/202140423
dc.identifier.relatedurlhttps://www.aanda.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/8188
dc.journal.titleAstronomy & Astrophysics
dc.language.isoeng
dc.publisherEDP Sciencies
dc.relation.projectIDOrigins (832428); EXOPLANETBIO (694513)
dc.relation.projectID(FICTS-2011-02, ICTS-2017-07-CAHA-4, and CAHA16- CE-3978)
dc.relation.projectID(ESP2016–76076–R, ESP2017–87143– R, BES–2015–074542, PID2019-110689RB-I00/AEI/10.13039/501100011033, PGC2018-099425–B–I00, PID2019-109522GB-C51/2/3/4, PGC2018-098153- B-C33, AYA2016-79425-C3-1/2/3-P, ESP2016-80435-C2-1-R)
dc.relation.projectID(SEV-2015-0548; SEV-2017-0709; MDM-2017-0737)
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordplanets and satellites-atmospheres
dc.subject.keywordplanets and satellites-gaseous planets
dc.subject.keywordplanets and satellites-individual GJ 3470 b
dc.subject.keywordplanets and satellites-individual HD 209458 b
dc.subject.keywordplanets and satellites-individual HD 189733 b
dc.subject.ucmAstrofísica
dc.subject.ucmAstronomía (Física)
dc.titleEvidence of energy-, recombination-, and photon-limited escape regimes in giant planet H/He atmospheres
dc.typejournal article
dc.volume.number648
dspace.entity.typePublication
relation.isAuthorOfPublication2dfe4286-12c7-4d3a-bfda-d298a90cc8fe
relation.isAuthorOfPublication.latestForDiscovery2dfe4286-12c7-4d3a-bfda-d298a90cc8fe
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