Poster Open Access

Consistent seismic probing of subgiant and red-giant stars using EGGMiMoSA

Farnir Martin; Dupret Marc-Antoine; Pinçon Charly


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        <foaf:name>Farnir Martin</foaf:name>
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        <foaf:name>Dupret Marc-Antoine</foaf:name>
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        <foaf:name>Pinçon Charly</foaf:name>
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    <dct:title>Consistent seismic probing of subgiant and red-giant stars using EGGMiMoSA</dct:title>
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    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#gYear">2021</dct:issued>
    <dcat:keyword>Post main sequence cool stars</dcat:keyword>
    <dcat:keyword>stars:oscillations</dcat:keyword>
    <dcat:keyword>numerical:method</dcat:keyword>
    <dcat:keyword>stars:low mass giants</dcat:keyword>
    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2021-02-26</dct:issued>
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    <dct:description>&lt;pre&gt;&lt;em&gt;Context:&lt;/em&gt; Owing to the detection of mixed-modes, subgiant and red-giant stars provide a unique opportunity to probe the complete stellar structure of solar-like stars and to constrain stellar structure and evolution models.&lt;/pre&gt; &lt;pre&gt;&lt;em&gt;Aims:&lt;/em&gt; Taking advantage of the asymptotic description of mixed-modes, we develop a method that coherently accounts for the complex oscillation spectra of subgiant and red-giant stars. We investigate the probing potential of this technique and define robust seismic indicators, relevant of the stellar structure in order to constrain stellar models. &lt;/pre&gt; &lt;pre&gt;&lt;em&gt;Results:&lt;/em&gt; The &lt;strong&gt;EGGMiMoSA&lt;/strong&gt; (&lt;strong&gt;E&lt;/strong&gt;xtracting &lt;strong&gt;G&lt;/strong&gt;uesses about &lt;strong&gt;G&lt;/strong&gt;iants via &lt;strong&gt;Mi&lt;/strong&gt;xed-&lt;strong&gt;Mo&lt;/strong&gt;des &lt;strong&gt;S&lt;/strong&gt;pectrum &lt;strong&gt;A&lt;/strong&gt;djustment) method is fast (less than a second execution) and allows to study the evolution of the typical mixed-modes spectra parameters along a grid of models ranging from the subgiant to the red-giant phases.&lt;/pre&gt;</dct:description>
    <dct:description>Corrected erroneous reference</dct:description>
    <dct:description>{"references": ["Mosser, B., Pin\u00e7on, C., Belkacem, K., Takata, M., &amp; Vrard, M. 2017, A&amp;A, 600, A1", "Pin\u00e7on, C., Takata, M., &amp; Mosser, B. 2019, A&amp;A, 626, A125", "Pin\u00e7on, C., Goupil, M. J., &amp; Belkacem, K. 2020, A&amp;A, 634, A68", "Shibahashi, H. 1979, PASJ, 31, 87"]}</dct:description>
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