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Existence of slowly rotating bipolytropes with prolate cores

hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorSTAELEN, Clément
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorHURÉ, Jean-Marc
hal.structure.identifierUniversité du Luxembourg = University of Luxembourg = Universität Luxemburg [uni.lu]
dc.contributor.authorMEUNIER, Anaïs
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierTélécom Physique [Strasbourg]
dc.contributor.authorNOÉ, Pauline
dc.date.accessioned2024-11-26T03:25:20Z
dc.date.available2024-11-26T03:25:20Z
dc.date.issued2024-11
dc.identifier.issn0004-6361
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/203479
dc.description.abstractEnWe report the existence of hydrostatic equilibrium states for a composite body made of two rigidly rotating, homogeneous layers bounded by spheroidal surfaces, where the core has a prolate shape. These new configurations require an oblate envelope that spins faster than the core. No solution with a prolate envelope is found. For some parameters, the prolate core can even be at rest. Numerical experiments based on the self-consistent field method support this result in the case of heterogeneous layers with polytropic equations of state. The possible cancellation of the first gravitational moment, J2, is discussed.
dc.language.isoen
dc.publisherEDP Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.engravitation
dc.subject.enmethods: analytical
dc.subject.enplanets and satellites: interiors
dc.subject.enstars: interiors
dc.subject.enstars: rotation
dc.title.enExistence of slowly rotating bipolytropes with prolate cores
dc.typeArticle de revue
dc.identifier.doi10.1051/0004-6361/202450619
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]
bordeaux.journalAstronomy and Astrophysics - A&A
bordeaux.pageA276
bordeaux.volume691
bordeaux.hal.laboratoriesLaboratoire d'Astrophysique de Bordeaux (LAB) - UMR 5804*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-04799405
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04799405v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Astronomy%20and%20Astrophysics%20-%20A&A&rft.date=2024-11&rft.volume=691&rft.spage=A276&rft.epage=A276&rft.eissn=0004-6361&rft.issn=0004-6361&rft.au=STAELEN,%20Cl%C3%A9ment&HUR%C3%89,%20Jean-Marc&MEUNIER,%20Ana%C3%AFs&NO%C3%89,%20Pauline&rft.genre=article


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