[en] It is well known that asteroseismology is the unique technique permitting the study of the internal structure of pulsating stars using their pulsational frequencies, which is per se very important. It acquires an additional value when the star turns out to be a planet host. In this case, the asteroseismic study output may be a very important input for the study of the planetary system. With this in mind, we use the large time-span of the Kepler public data obtained for the star system HAT-P-7, first to perform an asteroseismic study of the pulsating star using Time-Dependent-Convection (TDC) models. Secondly, we make a revision of the planet properties in the light of the asteroseismic study.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Oshagh, M.; Centro de Astrofísica da Universidade do Porto ; Departamento de Física e Astronomia, Faculdade de Ciências da Universidade do Porto
Grigahcène, A.; Centro de Astrofísica da Universidade do Porto
Benomar, O.; Sydney Institute for Astronomy (SIfA), School of Physics, University of Sydney
Dupret, Marc-Antoine ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie
Monteiro, M. J. P. F. G.; Centro de Astrofísica da Universidade do Porto ; Departamento de Física e Astronomia, Faculdade de Ciências da Universidade do Porto
Scuflaire, Richard ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Evol. et stabilité des étoiles et des amas d'étoiles (ESEA)
Santos, N. C.; Centro de Astrofísica da Universidade do Porto ; Departamento de Física e Astronomia, Faculdade de Ciências da Universidade do Porto)
Garrido, R.
Balona, L. A.
Christensen-Dalsgaard, J.
Language :
English
Title :
Successful Asteroseismology for a Better Characterization of the Exoplanet HAT-P-7b
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