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

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 fi...

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Publicado:	2018
Materias:	Brown dwarfs Planetary systems Planets and satellites: Dynamical evolution and stability Stars: Individual: CoRoT-20 Stars: Low-mass Techniques: Radial velocities Orbits Satellites Planetary system Planets and satellites: dynamical evolution and stabilities Stars: individual Stars: low mass Techniques: radial velocities Stars
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046361_v619_n_p_Rey http://hdl.handle.net/20.500.12110/paper_00046361_v619_n_p_Rey
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_00046361_v619_n_p_Rey
record_format	dspace
spelling	paper:paper_00046361_v619_n_p_Rey2023-06-08T14:28:26Z Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b 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 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. 2018 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046361_v619_n_p_Rey http://hdl.handle.net/20.500.12110/paper_00046361_v619_n_p_Rey
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	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
spellingShingle	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 Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b
topic_facet	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
description	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.
title	Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b
title_short	Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b
title_full	Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b
title_fullStr	Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b
title_full_unstemmed	Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20b
title_sort	brown dwarf companion with a period of 4.6 yr interacting with the hot jupiter corot-20b
publishDate	2018
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046361_v619_n_p_Rey http://hdl.handle.net/20.500.12110/paper_00046361_v619_n_p_Rey
_version_	1768541730539307008

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

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