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  • Rey, J.Université de Genève,University of Geneva (author)

Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2018-11-13
  • EDP Sciences,2018

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:b2180ece-9a0f-4213-8950-15e858116dd5
  • https://doi.org/10.1051/0004-6361/201833180DOI
  • https://research.chalmers.se/publication/506182URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • We report the discovery of an additional substellar companion in the CoRoT-20 system based on six years of HARPS and SOPHIE radial velocity follow-up. CoRoT-20 c has a minimum mass of 17 ± 1 MJup and orbits the host star in 4.59 ± 0.05 yr, with an orbital eccentricity of 0.60 ± 0.03. This is the first identified system with an eccentric hot Jupiter and an eccentric massive companion. The discovery of the latter might be an indication of the migration mechanism of the hot Jupiter, via the Lidov-Kozai effect. We explore the parameter space to determine which configurations would trigger this type of interactions.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bouchy, F.Université de Genève,University of Geneva (author)
  • Stalport, M.Université de Genève,University of Geneva (author)
  • Deleuil, M.Laboratoire d'Astrophysique de Marseille (author)
  • Hebrard, G.Institut d 'Astrophysique de Paris,Observatoire de Haute-Provence (author)
  • Almenara, J. M.Université de Genève,University of Geneva (author)
  • Alonso, R.Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna (author)
  • Barros, S.C.C.Universidade do Porto,University of Porto (author)
  • Bonomo, A. S.Istituto nazionale di astrofisica (INAF) (author)
  • Cazalet, G.Laboratoire d'Astrophysique de Marseille (author)
  • Delisle, J. B.Université de Genève,University of Geneva (author)
  • Diaz, R. F.Universidad de Buenos Aires (author)
  • Fridlund, Malcolm,1952Chalmers tekniska högskola,Chalmers University of Technology,Universiteit Leiden (UL),Leiden University (UL)(Swepub:cth)malfri (author)
  • Guenther, E. W.Instituto de Astrofísica de Canarias,Thüringer Landessternwarte Tautenburg (author)
  • Guillot, T.Observatoire de la Cote d'Azur (author)
  • Montagnier, G.Observatoire de Haute-Provence,Institut d 'Astrophysique de Paris (author)
  • Moutou, C.Canada France Hawaii Telescope Corporation (author)
  • Lovis, C.Université de Genève,University of Geneva (author)
  • Queloz, D.University Of Cambridge (author)
  • Santerne, A.Laboratoire d'Astrophysique de Marseille (author)
  • Udry, S.Université de Genève,University of Geneva (author)
  • Université de GenèveLaboratoire d'Astrophysique de Marseille (creator_code:org_t)

Related titles

  • In:Astronomy and Astrophysics: EDP Sciences6190004-63611432-0746

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