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Brown dwarf compani...
Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b
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- Rey, J. (author)
- Université de Genève,University of Geneva
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- Bouchy, F. (author)
- Université de Genève,University of Geneva
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- Stalport, M. (author)
- Université de Genève,University of Geneva
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- Deleuil, M. (author)
- Laboratoire d'Astrophysique de Marseille
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- Hebrard, G. (author)
- Institut d 'Astrophysique de Paris,Observatoire de Haute-Provence
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- Almenara, J. M. (author)
- Université de Genève,University of Geneva
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- Alonso, R. (author)
- Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
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- Barros, S.C.C. (author)
- Universidade do Porto,University of Porto
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- Bonomo, A. S. (author)
- Istituto nazionale di astrofisica (INAF)
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- Cazalet, G. (author)
- Laboratoire d'Astrophysique de Marseille
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- Delisle, J. B. (author)
- Université de Genève,University of Geneva
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- Diaz, R. F. (author)
- Universidad de Buenos Aires
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- Fridlund, Malcolm, 1952 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Universiteit Leiden (UL),Leiden University (UL)
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- Guenther, E. W. (author)
- Instituto de Astrofísica de Canarias,Thüringer Landessternwarte Tautenburg
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- Guillot, T. (author)
- Observatoire de la Cote d'Azur
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- Montagnier, G. (author)
- Observatoire de Haute-Provence,Institut d 'Astrophysique de Paris
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- Moutou, C. (author)
- Canada France Hawaii Telescope Corporation
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- Lovis, C. (author)
- Université de Genève,University of Geneva
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- Queloz, D. (author)
- University Of Cambridge
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- Santerne, A. (author)
- Laboratoire d'Astrophysique de Marseille
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- Udry, S. (author)
- Université de Genève,University of Geneva
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(creator_code:org_t)
- 2018-11-13
- 2018
- English.
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In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 619
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https://doi.org/10.1...
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Abstract
Subject headings
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- 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
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Biomedicinsk laboratorievetenskap/teknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Biomedical Laboratory Science/Technology (hsv//eng)
Keyword
- Planetary systems
- Brown dwarfs
- Stars: Low-mass
- Planets and satellites: Dynamical evolution and stability
- Techniques: Radial velocities
- Stars: Individual: CoRoT-20
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Rey, J.
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Bouchy, F.
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Stalport, M.
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Deleuil, M.
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Hebrard, G.
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Almenara, J. M.
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show more...
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Alonso, R.
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Barros, S.C.C.
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Bonomo, A. S.
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Cazalet, G.
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Delisle, J. B.
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Diaz, R. F.
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Fridlund, Malcol ...
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Guenther, E. W.
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Guillot, T.
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Montagnier, G.
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Moutou, C.
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Lovis, C.
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Queloz, D.
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Santerne, A.
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Udry, S.
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show less...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Mechanical Engin ...
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and Aerospace Engine ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Medical Biotechn ...
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and Biomedical Labor ...
- Articles in the publication
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Astronomy and As ...
- By the university
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Chalmers University of Technology