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CLES evolutionary tracks (alpha-enhanced)

Montalban, Josefina; Noel, Arlette; Scuflaire, Richard


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.4032320", 
  "author": [
    {
      "family": "Montalban, Josefina"
    }, 
    {
      "family": "Noel, Arlette"
    }, 
    {
      "family": "Scuflaire, Richard"
    }
  ], 
  "issued": {
    "date-parts": [
      [
        2020, 
        9, 
        16
      ]
    ]
  }, 
  "abstract": "<p>Grid of evolutionary tracks with CLES (Scuflaire et al. 08). Version 19.2 (August 2019).</p>\n\n<p>Initial chemical composition:<br>\n- [alpha/Fe]=0.0, +0.1, +0.2, +0.3, +0.4 and, for each alpha enhancement: 23 different values of [Fe/H], from -2.5 to +0.25, with steps of 0.1 or 0.15 dex.<br>\n- [alpha/Fe]=-0.1, +0.5, +0.6, eight different values of [Fe/H]: from -1.50 to +0.25 with step 0.25 dex.</p>\n\n<p>There is a directory for each initial chemical composition. Each of them contains the evolutionary track<br>\n(from ZAMS to RGB at 25Rsun) for stars with masses between 0.7 and 2.5 Msun (step: 0.02Msun).</p>\n\n<p>columns:<br>\n1:&nbsp; age (yrs)<br>\n2:&nbsp; log_Te<br>\n3:&nbsp; log_L_Lsun<br>\n4:&nbsp; Xc central Hydrogen mass fraction<br>\n5:&nbsp; Yc central Helium&nbsp; mass fraction<br>\n6:&nbsp; X0 Initial Hydrogen mass fraction<br>\n7:&nbsp; Z0 Initial metal mass fraction<br>\n8:&nbsp; Z/Hs metal over H in surface<br>\n9:&nbsp; P0 2*pi**2/Int{N_BV/r*dr} (N_BV Brunt-Vaisala frequency)<br>\n10: F0 asymptotic large frequency separation =1/2/Int{dr/c} (c: sound speed)</p>\n\n<p>Input physics:<br>\nReference solar metal mixture: AGSS09<br>\nSolar stellar parameters (IAU2015)<br>\nRadiative opacity: OPAL at high temperature and&nbsp; Wichita University opacities at low temperature for the especific chemical composition.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<br>\nEoS: Irwin (2003)<br>\nNuclear reaction rates: Adelberg+2011 or Nacre if not available in Adelberg&#39;s compilation<br>\nConvection:MLT (Cox &amp; Giuli 68), mixing length parameter from solar calibration with same physics.<br>\nExtra-mixing: instantaneous overshooting over convective core (extra-mixing size=0.1Hp) and undershooting below convective envelope (extra-mixing size=0.2Hp)<br>\nMicroscopic diffusion of H and He (Thoul et al. 94)</p>\n\n<p>&nbsp;</p>", 
  "title": "CLES evolutionary tracks (alpha-enhanced)", 
  "type": "dataset", 
  "id": "4032320"
}
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