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Could we identify hot Ocean-Planets with CoRoT, Kepler and Doppler velocimetry?

hal.structure.identifierCentre de Recherche Astrophysique de Lyon [CRAL]
dc.contributor.authorSELSIS, Franck
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorCHAZELAS, B.
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorBORDÉ, Pascal
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorOLLIVIER, M.
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorBRACHET, F.
dc.contributor.authorDECAUDIN, M.
hal.structure.identifierLaboratoire d'Astrophysique de Marseille [LAM]
hal.structure.identifierInstitut d'Astrophysique de Paris [IAP]
dc.contributor.authorBOUCHY, F.
hal.structure.identifierLaboratoire d'Astrophysique de Grenoble [LAOG]
dc.contributor.authorEHRENREICH, D.
hal.structure.identifierLaboratoire d'études spatiales et d'instrumentation en astrophysique [LESIA]
dc.contributor.authorGRIESSMEIER, Jean-Mathias
hal.structure.identifierDepartment of Space and Climate Physics [UCL London]
dc.contributor.authorLAMMER, H.
hal.structure.identifierLaboratoire de Planétologie et Géodynamique de Nantes [UMR 6112] [LPGN]
dc.contributor.authorSOTIN, Christophe
hal.structure.identifierLaboratoire de Planétologie et Géodynamique de Nantes [UMR 6112] [LPGN]
dc.contributor.authorGRASSET, O.
hal.structure.identifierLaboratoire d'Astrophysique de Marseille [LAM]
dc.contributor.authorMOUTOU, C.
hal.structure.identifierLaboratoire d'Astrophysique de Marseille [LAM]
dc.contributor.authorBARGE, P.
hal.structure.identifierLaboratoire d'Astrophysique de Marseille [LAM]
dc.contributor.authorDELEUIL, M.
hal.structure.identifierNASA Ames Research Center [ARC]
dc.contributor.authorMAWET, D.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorDESPOIS, D.
dc.contributor.authorKASTING, J. F.
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorLEGER, A.
dc.date.created2007
dc.date.issued2007
dc.identifier.issn0019-1035
dc.description.abstractEnPlanets less massive than about 10 MEarth are expected to have no massive H-He atmosphere and a cometary composition (50% rocks, 50% water, by mass) provided they formed beyond the snowline of protoplanetary disks. Due to inward migration, such planets could be found at any distance between their formation site and the star. If migration stops within the habitable zone, this will produce a new kind of planets, called Ocean-Planets. Ocean-planets typically consist in a silicate core, surrounded by a thick ice mantle, itself covered by a 100 km deep ocean. The existence of ocean-planets raises important astrobiological questions: Can life originate on such body, in the absence of continent and ocean-silicate interfaces? What would be the nature of the atmosphere and the geochemical cycles ? In this work, we address the fate of Hot Ocean-Planets produced when migration ends at a closer distance. In this case the liquid/gas interface can disappear, and the hot H2O envelope is made of a supercritical fluid. Although we do not expect these bodies to harbor life, their detection and identification as water-rich planets would give us insight as to the abundance of hot and, by extrapolation, cool Ocean-Planets.
dc.language.isoen
dc.publisherElsevier
dc.title.enCould we identify hot Ocean-Planets with CoRoT, Kepler and Doppler velocimetry?
dc.typeArticle de revue
dc.identifier.doi10.1016/j.icarus.2007.04.010
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Cosmologie et astrophysique extra-galactique [astro-ph.CO]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]
dc.identifier.arxivastro-ph/0701608
bordeaux.journalIcarus
bordeaux.page453-468
bordeaux.volume191
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-00129739
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00129739v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Icarus&rft.date=2007&rft.volume=191&rft.issue=2&rft.spage=453-468&rft.epage=453-468&rft.eissn=0019-1035&rft.issn=0019-1035&rft.au=SELSIS,%20Franck&CHAZELAS,%20B.&BORD%C3%89,%20Pascal&OLLIVIER,%20M.&BRACHET,%20F.&rft.genre=article


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