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Multiple planetary systems: Properties of the current sample
(Elsevier Science, 2017-08)
We carry out analyses on stellar and planetary properties of multiple exoplanetary systems in the currently available sample. With regards to the stars, we study their temperature, distance from the Sun, and metallicity ...
Semianalytical model for planetary resonances: Application to planets around single and binary stars
(EDP Sciences, 2021-02)
Context. Planetary resonances are a common dynamical mechanism acting on planetary systems. However, no general model for describing their properties exists, particularly for commensurabilities of any order and arbitrary ...
Magnetized winds and their influence in the escaping upper atmosphere of HD 209458b
(Wiley Blackwell Publishing, Inc, 2018-09)
Lyman a observations during an exoplanet transit have proved to be very useful to study the interaction between the stellar wind and the planetary atmosphere. They have been extensively used to constrain planetary system ...
Absolute densities in exoplanetary systems: Photodynamical modelling of Kepler-138
(Wiley Blackwell Publishing, Inc, 2018-07)
In favourable conditions, the density of transiting planets inmultiple systems can be determined from photometry data alone. Dynamical information can be extracted from light curves, providing modelling is done self-consistently, ...
Sublimation of icy planetesimals and the delivery of water to the habitable zone around solar type stars
(Wiley Blackwell Publishing, Inc, 2018-09)
We present a semi-analytic model to evaluate the delivery of water to the habitable zone (HZ) around a solar type star carried by icy planetesimals born beyond the snow line. The model includes sublimation of ice, gas drag, ...
GJ 273: On the formation, dynamical evolution, and habitability of a planetary system hosted by an M dwarf at 3.75 parsec
(EDP Sciences, 2020-09)
Context. Planets orbiting low-mass stars such as M dwarfs are now considered a cornerstone in the search for planets with thepotential to harbour life. GJ 273 is a planetary system orbiting an M dwarf only 3.75 pc away, ...
Hydrodynamical interaction of stellar and planetary winds: Effects of charge exchange and radiation pressure on the observed Ly α absorption
(Wiley Blackwell Publishing, Inc, 2019-06)
Lyman α observations of the transiting exoplanet HD 209458b enable the study of exoplanet exospheres exposed to stellar extreme ultraviolet (EUV) fluxes, as well as the interacting stellar wind properties. In this study ...
Planetary migration and the origin of the 2:1 and 3:2 (near)-resonant population of close-in exoplanets
(EDP Sciences, 2017-06)
We present an analytical and numerical study of the orbital migration and resonance capture of fictitious two-planet systems with masses in the super-Earth range undergoing Type-I migration. We find that, depending on the ...
Ploonets: Formation, evolution, and detectability of tidally detached exomoons
(Wiley Blackwell Publishing, Inc, 2019-07)
Close-in giant planets represent the most significant evidence of planetary migration. If large exomoons form around migrating giant planets which are more stable (e.g. those in the Solar system), what happens to these ...
Binary-binary close encounters in the Kuiper Belt
(Wiley Blackwell Publishing, Inc, 2021-07)
Trans-Neptunian binaries are among the objects carrying the most relevant information on the conditions that prevailed in the primitive outer Solar system. However, their present orbital architecture not necessarily reflects ...