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Retrograde configurations in extrasolar systems

Grant number: 21/11982-5
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): May 01, 2022
Effective date (End): October 31, 2024
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Positional Astronomy and Celestial Mechanics
Principal Investigator:Maria Helena Moreira Morais
Grantee:Alan Cefali Signor
Host Institution: Instituto de Geociências e Ciências Exatas (IGCE). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
Associated scholarship(s):23/02528-4 - Detection of retrograde resonances in extrasolar systems, BE.EP.MS


Recent theoretical developments led to the identification of small bodies in retrograde resonances with the solar system planets. However, extra solar systems could have planets in retrograde configurations. In this study we will study the stability, viability and detectability of these extra solar systems.

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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)
CARITA, GABRIEL ANTONIO; SIGNOR, ALAN CEFALI; MOREIRA MORAIS, MARIA HELENA. A numerical study of the 1/2, 2/1, and 1/1 retrograde mean motion resonances in planetary systems. Monthly Notices of the Royal Astronomical Society, v. 515, n. 2, p. 13-pg., . (21/11982-5)
SIGNOR, ALAN CEFALI; CARITA, GABRIEL ANTONIO; MORAIS, MARIA HELENA MOREIRA. A numerical study of fourth- and fifth-order retrograde mean motion resonances in planetary systems. Monthly Notices of the Royal Astronomical Society, v. 520, n. 3, p. 19-pg., . (21/11982-5, 22/08716-4)
CARITA, G. A.; SIGNOR, A. C.; MORAIS, M. H. M.; DE CARVALHO, R. EGYDIO; PRADO, A. F. B. A.. Retrograde resonances at high mass ratio in the circular restricted 3-body problem. NONLINEAR DYNAMICS, v. 111, n. 18, p. 15-pg., . (21/11982-5, 22/08716-4, 19/07329-4, 16/24561-0)
CARITA, G. A.; ALJBAAE, S.; PRADO, A. F. B. A.; SIGNOR, A. C.; MORAIS, M. H. M.; SANCHEZ, D. M.. Analysis of the natural orbits around Io. CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY, v. 135, n. 5, p. 18-pg., . (21/11982-5, 22/08716-4, 21/08274-9, 16/24561-0)

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