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Kepler-93 : a testbed for detailed seismic modelling and orbital evolution of super-earths around solar-like stars

Bétrisey, Jérôme; Pezzotti, Camilla; Buldgen, Gaël; Khan, Sanyia; Eggenberger, Patrick; Salmon, Sébastien; Miglio, Andrea


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        <foaf:name>Miglio, Andrea</foaf:name>
        <foaf:givenName>Andrea</foaf:givenName>
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    <dct:title>Kepler-93 : a testbed for detailed seismic modelling and orbital evolution of super-earths around solar-like stars</dct:title>
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    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#gYear">2021</dct:issued>
    <dcat:keyword>Stars: planetary systems</dcat:keyword>
    <dcat:keyword>Stars: fundamental parameters</dcat:keyword>
    <dcat:keyword>Asteroseismology</dcat:keyword>
    <dcat:keyword>Planet–star interactions</dcat:keyword>
    <dcat:keyword>Star: individual - Kepler-93, KOI-69, KIC-3544595</dcat:keyword>
    <dcat:keyword>PLATO</dcat:keyword>
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    <dct:description>&lt;p&gt;Thanks to the high-quality data from space-based missions such as&lt;br&gt; CoRoT, Kepler and TESS, great synergies between asteroseismology and&lt;br&gt; exoplanetology were initiated and will further flourish with the future PLATO&lt;br&gt; mission. Indeed, the exoplanets detection itself does not rely on&lt;br&gt; stellar-model-dependent approaches and thus, a detailed characterization of&lt;br&gt; the host star improves significantly the understanding of the exoplanet. In&lt;br&gt; this context, we focused on Kepler-93, whose high-quality data and stellar&lt;br&gt; properties make it a PLATO benchmark target and motivate a new&lt;br&gt; characterization to reach their precision requirements. We carried out a&lt;br&gt; detailed stellar modeling using global and local minimization techniques and&lt;br&gt; considering various changes of the physical ingredients. We completed our&lt;br&gt; analysis with inversion techniques to provide a more robust mean density&lt;br&gt; estimate and test the impact of surface effects. The revised stellar&lt;br&gt; parameters allowed us to update the planetary parameters of Kepler-93b and&lt;br&gt; simulate its orbital evolution under the effects of tides and atmospheric&lt;br&gt; evaporation. We found that a detailed asteroseismic modeling will be able to&lt;br&gt; meet the PLATO standards for such a solar-like star.&lt;/p&gt;</dct:description>
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