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Gas giant planets as dynamical barriers to inward-migrating super-Earths

hal.structure.identifierECLIPSE 2015
dc.contributor.authorIZIDORO, A.
hal.structure.identifierECLIPSE 2015
dc.contributor.authorRAYMOND, Sean N.
hal.structure.identifierLaboratoire de Cosmologie, Astrophysique Stellaire & Solaire, de Planétologie et de Mécanique des Fluides [CASSIOPEE]
dc.contributor.authorMORBIDELLI, Alessandro,
hal.structure.identifierECLIPSE 2015
dc.contributor.authorHERSANT, F.
hal.structure.identifierECLIPSE 2015
dc.contributor.authorPIERENS, A.
dc.date.issued2015
dc.identifier.issn2041-8205
dc.description.abstractEnPlanets of 1-4 times Earth's size on orbits shorter than 100 days exist around 30-50% of all Sun-like stars. In fact, the Solar System is particularly outstanding in its lack of "hot super-Earths" (or "mini-Neptunes"). These planets -- or their building blocks -- may have formed on wider orbits and migrated inward due to interactions with the gaseous protoplanetary disk. Here, we use a suite of dynamical simulations to show that gas giant planets act as barriers to the inward migration of super-Earths initially placed on more distant orbits. Jupiter's early formation may have prevented Uranus and Neptune (and perhaps Saturn's core) from becoming hot super-Earths. Our model predicts that the populations of hot super-Earth systems and Jupiter-like planets should be anti-correlated: gas giants (especially if they form early) should be rare in systems with many hot super-Earths. Testing this prediction will constitute a crucial assessment of the validity of the migration hypothesis for the origin of close-in super-Earths.
dc.language.isoen
dc.publisherBristol : IOP Publishing
dc.subject.enAstrophysics - Earth and Planetary Astrophysics
dc.title.enGas giant planets as dynamical barriers to inward-migrating super-Earths
dc.typeArticle de revue
dc.identifier.doi10.1088/2041-8205/800/2/L22
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]
dc.identifier.arxiv1501.06308
bordeaux.journalThe Astrophysical journal letters
bordeaux.pageid. L22
bordeaux.volume800
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-01110527
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01110527v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=The%20Astrophysical%20journal%20letters&rft.date=2015&rft.volume=800&rft.issue=2&rft.spage=id.%20L22&rft.epage=id.%20L22&rft.eissn=2041-8205&rft.issn=2041-8205&rft.au=IZIDORO,%20A.&RAYMOND,%20Sean%20N.&MORBIDELLI,%20Alessandro,&HERSANT,%20F.&PIERENS,%20A.&rft.genre=article


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