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REVealing the Effects of Star-planet Interactions

Project description

New study could shed more light on how exoplanets interact with stars

Over the past three decades, exoplanetary science has revealed a great number of previously unknown planets orbiting other stars. Although considerable investments have been made towards the study of these new discoveries, the interaction between planets and their host stars remains poorly understood. Funded by the Marie Skłodowska-Curie Actions programme, the REVErSI project will conduct a theoretical study of star–planet interactions using innovative analytical models and state-of-the-art simulations. The project will study the tidal and magnetic interactions of the most common types of exoplanets around low-mass stars. Focus will also be placed on the variation of stellar activity as it offers a viable route to estimate exoplanetary magnetic fields.

Objective

Exoplanetary science has thrived in the last three decades; we now know of thousands of new worlds orbiting other stars, and we are investing new ground-based and space facilities in characterizing them.
However, the interaction between planets and their host stars is still poorly understood. In this new, exciting field, REVErSi will offer a comprehensive theoretical study of star-planet interactions using innovative analytical models and state-of-the-art numerical simulations.
REVErSI will study the tidal, and magnetic interactions of the most common type of exoplanets, Hot Jupiters (HJs), with low-mass stars: M-dwarfs and Solar-like stars. HJs lie close enough to their host star to be magnetically interacting with it. We will study the effect of this interaction on the stellar dynamo, and the magnetic cycle of the star, analytically and numerically. In parallel, we will investigate the role of planet-induced tides on the magnetic activity of the star.
Finally, we will examine the variation of the stellar activity as a means of estimating exoplanetary magnetic fields. This contribution will provide one of the very few currently feasible methods to estimate exoplanetary magnetic fields.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

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Call for proposal

(opens in new window) H2020-MSCA-IF-2020

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Coordinator

AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS
Net EU contribution
€ 259 398,72
Address
CALLE SERRANO 117
28006 Madrid
Spain
Region
Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Research Organisations
Links
Total cost
€ 259 398,72