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Application of the planetary tides theory to exoplanets and planetary satellites

Grant number: 17/25224-0
Support type:Scholarships in Brazil - Doctorate (Direct)
Effective date (Start): March 01, 2018
Effective date (End): February 28, 2023
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Positional Astronomy and Celestial Mechanics
Principal researcher:Sylvio Ferraz de Mello
Grantee:Gabriel de Oliveira Gomes
Home Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):19/21201-0 - Tidal evolution of exoplanets and host stars, BE.EP.DD


The objective of this project is to study the evolution of planets which are close to their host stars (hot Jupiters and super-earths), the host stars of planetary systems and the major planetary satellites of the solar system. In all such cases, the evolution is dictated by the tides dynamics, which causes effects on the rotational movement of these bodies that depend on their composition and how they respond to internal strain. In addition, the knowledge of the orbital and rotational evolution offers information about the past and the future of the systems to which these bodies belong. For the development of the project, the Newtonian creep theory developed by Sylvio Ferraz-Mello and later extended by Hugo A. Folonier to a multilayered body will be used. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GOMES, G. O.; BOLMONT, E.; BLANCO-CUARESMA, S. Influence of equilibrium tides on transit-timing variations of close-in super-Earths I. Application to single-planet systems and the case of K2-265 b. Astronomy & Astrophysics, v. 651, JUL 5 2021. Web of Science Citations: 0.
GOMES, G. O.; FERRAZ-MELLO, S. Tidal evolution of exoplanetary systems hosting potentially habitable exoplanets. The cases of LHS-1140 b-c and K2-18 b-c. Monthly Notices of the Royal Astronomical Society, v. 494, n. 4, p. 5082-5090, JUN 2020. Web of Science Citations: 0.
FERRAZ-MELLO, SYLVIO; BEAUGE, CRISTIAN; FOLONIER, HUGO A.; GOMES, GABRIEL O. Tidal friction in satellites and planets. The new version of the creep tide theory. European Physical Journal-Special Topics, v. 229, n. 8, SI, p. 1441-1462, MAY 2020. Web of Science Citations: 1.
GOMES, G. O.; FOLONIER, H. A.; FERRAZ-MELLO, S. Rotation and figure evolution in the creep tide theory: a new approach and application to Mercury. CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY, v. 131, n. 12 DEC 2019. Web of Science Citations: 0.

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