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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    "description": "<pre><em>Context:</em> 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.</pre>\n\n<pre><em>Aims:</em> 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. </pre>\n\n<pre><em>Results:</em> The <strong>EGGMiMoSA</strong> (<strong>E</strong>xtracting <strong>G</strong>uesses about <strong>G</strong>iants via <strong>Mi</strong>xed-<strong>Mo</strong>des <strong>S</strong>pectrum <strong>A</strong>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.</pre>", 
    "language": "eng", 
    "title": "Consistent seismic probing of subgiant and red-giant stars using EGGMiMoSA", 
    "license": {
      "id": "CC-BY-4.0"
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    "notes": "Corrected erroneous reference", 
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    "references": [
      "Mosser, B., Pin\u00e7on, C., Belkacem, K., Takata, M., & Vrard, M. 2017, A&A, 600, A1", 
      "Pin\u00e7on, C., Takata, M., & Mosser, B. 2019, A&A, 626, A125", 
      "Pin\u00e7on, C., Goupil, M. J., & Belkacem, K. 2020, A&A, 634, A68", 
      "Shibahashi, H. 1979, PASJ, 31, 87"
    ], 
    "keywords": [
      "Post main sequence cool stars", 
      "stars:oscillations", 
      "numerical:method", 
      "stars:low mass giants"
    ], 
    "publication_date": "2021-02-26", 
    "creators": [
      {
        "affiliation": "Universit\u00e9 de Li\u00e8ge", 
        "name": "Farnir Martin"
      }, 
      {
        "affiliation": "Universit\u00e9 de Li\u00e8ge", 
        "name": "Dupret Marc-Antoine"
      }, 
      {
        "affiliation": "Universit\u00e9 de Li\u00e8ge and Observatoire de Paris", 
        "name": "Pin\u00e7on Charly"
      }
    ], 
    "meeting": {
      "acronym": "CS20.5", 
      "url": "http://coolstars20.cfa.harvard.edu/cs20half/", 
      "dates": "March 2-4, 2021", 
      "place": "virtually anywhere", 
      "title": "The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun"
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