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Rey, J.; Bouchy, F.; Stalport, M.; Deleuil, M.; Hébrard, G.; Almenara, J.M.; Alonso, R.; Barros, S.C.C.; Bonomo, A.S.; Cazalet, G.; Delisle, J.B.; Diáz, R.F.; Fridlund, M.; Guenther, E.W.; Guillot, T.; Montagnier, G.; Moutou, C.; Lovis, C. (...) Udry, S. "Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b" (2018) Astronomy and Astrophysics. 619
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Abstract:

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 M Jup 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. © 2018 ESO.

Registro:

Documento: Artículo
Título:Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b
Autor:Rey, J.; Bouchy, F.; Stalport, M.; Deleuil, M.; Hébrard, G.; Almenara, J.M.; Alonso, R.; Barros, S.C.C.; Bonomo, A.S.; Cazalet, G.; Delisle, J.B.; Diáz, R.F.; Fridlund, M.; Guenther, E.W.; Guillot, T.; Montagnier, G.; Moutou, C.; Lovis, C.; Queloz, D.; Santerne, A.; Udry, S.
Filiación:Observatoire Astronomique de l'Université de Genève, 51 Chemin des Maillettes, Versoix, 1290, Switzerland
Aix Marseille Université, CNRS, Laboratoire d'Astrophysique de Marseille, Marseille Cedex 1313388, France
Institut d'Astrophysique de Paris, CNRS, Université Pierre and Marie Curie, 98bis boulevard Arago, Paris, 75014, France
Observatoire de Haute Provence, CNRS, Institut Pytheás UMS, Saint-Michel-l'Observatoire, 04870, France
Instituto de Astrofísica de Canarias, C. Via Lactea s/n, La Laguna, Tenerife, 38205, Spain
Universidad de la Laguna, Departamento de Astrofísica, La Laguna, Tenerife, 38206, Spain
INAF-Osservatorio Astrofisico di Torino, via Osservatorio 20, Pino Torinese, 10025, Italy
Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina
CONICET, Universidad de Buenos Aires, Instituto de Astronomiá y Física Del Espacio, Buenos Aires, Argentina
Department of Earth and Space Sciences, Chalmers University of Technology, Onsala Space Observatory, Onsala, 43992, Sweden
Leiden Observatory, University of Leiden, PO Box 9513, Leiden, 2300, Netherlands
Thüringer Landessternwarte Tautenburg, Sternwarte 5, Tautenburg, 07778, Germany
Université Côte d'Azur, OCA, CNRS, Nice, France
CNRS, Canada-France-Hawaii Telescope Corporation, 65-1238 Mamalahoa Hwy, Kamuela, 96743, United States
Astrophysics Group, Cavendish Laboratory, J.J. Thomson Avenue, Cambridge, CB30HE, United Kingdom
Instituto de Astrofísica e Ciências Do Espaço, Universidade Do Porto, Rua das Estrelas, Porto, 4150-762, Portugal
Palabras clave:Brown dwarfs; Planetary systems; Planets and satellites: Dynamical evolution and stability; Stars: Individual: CoRoT-20; Stars: Low-mass; Techniques: Radial velocities; Orbits; Satellites; Brown dwarfs; Planetary system; Planets and satellites: dynamical evolution and stabilities; Stars: individual; Stars: low mass; Techniques: radial velocities; Stars
Año:2018
Volumen:619
DOI: http://dx.doi.org/10.1051/0004-6361/201833180
Título revista:Astronomy and Astrophysics
Título revista abreviado:Astron. Astrophys.
ISSN:00046361
CODEN:AAEJA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046361_v619_n_p_Rey

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Citas:

---------- APA ----------
Rey, J., Bouchy, F., Stalport, M., Deleuil, M., Hébrard, G., Almenara, J.M., Alonso, R.,..., Udry, S. (2018) . Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b. Astronomy and Astrophysics, 619.
http://dx.doi.org/10.1051/0004-6361/201833180
---------- CHICAGO ----------
Rey, J., Bouchy, F., Stalport, M., Deleuil, M., Hébrard, G., Almenara, J.M., et al. "Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b" . Astronomy and Astrophysics 619 (2018).
http://dx.doi.org/10.1051/0004-6361/201833180
---------- MLA ----------
Rey, J., Bouchy, F., Stalport, M., Deleuil, M., Hébrard, G., Almenara, J.M., et al. "Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b" . Astronomy and Astrophysics, vol. 619, 2018.
http://dx.doi.org/10.1051/0004-6361/201833180
---------- VANCOUVER ----------
Rey, J., Bouchy, F., Stalport, M., Deleuil, M., Hébrard, G., Almenara, J.M., et al. Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b. Astron. Astrophys. 2018;619.
http://dx.doi.org/10.1051/0004-6361/201833180