Producción CyT
Congreso
Autoría
VILLARREAL D'ANGELO, CAROLINA SUSANA
;
Vidotto, Aline
;
Esquivel, Alejandro
;
Koskinen, Tommi T.
;
Fossati, Luca
Fecha
2020
Editorial y Lugar de Edición
Cambridge University Press
ISSN
1743-9213
Resumen
Información suministrada por el agente en
SIGEVA
The growth of spectroscopic observations of exoplanetary systems allows the possi- bility of testing theoretical models and studying the interaction that exoplanetary atmospheres have with the wind and the energetic photons from the star. In this work, we present a set of numerical 3D simulations of HD 209458b for which spectral lines observations of their evapo- rative atmosphere are available. The different simulations aim to reproduce different scenarios for the star-planet interaction. With...
The growth of spectroscopic observations of exoplanetary systems allows the possi- bility of testing theoretical models and studying the interaction that exoplanetary atmospheres have with the wind and the energetic photons from the star. In this work, we present a set of numerical 3D simulations of HD 209458b for which spectral lines observations of their evapo- rative atmosphere are available. The different simulations aim to reproduce different scenarios for the star-planet interaction. With our models, we reconstruct the Lyα line during transit and compare with observations. The results allows us to analyse the shape of the line profile under these different scenarios and the comparison with the observations suggest that HD209458b may have a magnetic field off less than 1 G. We also explore the behaviour of the magnesium lines for models with and without magnetic fields.
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Palabras Clave
outflowsstars: winds,stars: planetary systems,stars: individual, HD209458