Poster Open Access

Relation of Observable Stellar Parameters to Mass-Loss Rate of AGB Stars in the LMC

Prager, Henry; Willson, Lee Anne; Marengo, Massimo; Creech-Eakman, Michelle


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.4567529", 
  "language": "eng", 
  "title": "Relation of Observable Stellar Parameters to Mass-Loss Rate of AGB Stars in the LMC", 
  "issued": {
    "date-parts": [
      [
        2021, 
        2, 
        26
      ]
    ]
  }, 
  "abstract": "<p>Mass loss in Asymptotic Giant Branch (AGB) stars has historically proven difficult to characterize accurately.<br>\nThis is due to a multitude of factors such as differing composition--including chemistry, metallicity, and differences in carbon and oxygen ratios--and differences in their ongoing motion--particularly, differing pulsation modes.&nbsp;<br>\nIn mass-loss formulations, the mass-loss rate depends on some combinations of stellar parameters, including but not limited to pulsation period, mass, and luminosity.</p>\n\n<p>Using a combination of stellar models and archival data, we have been working at improving the relation between these parameters and the mass-loss rate of the stars. We have used the models and data to improve on the period-mass-luminosity and radius-mass-luminosity relations for M and C stars in both the fundamental and overtone pulsation modes. Current work is focused on accounting for any remaining sources of scatter in the relation between $\\dot{M}$ and our parameters $P$, $L$, and $M$.</p>", 
  "author": [
    {
      "family": "Prager, Henry"
    }, 
    {
      "family": "Willson, Lee Anne"
    }, 
    {
      "family": "Marengo, Massimo"
    }, 
    {
      "family": "Creech-Eakman, Michelle"
    }
  ], 
  "id": "4567529", 
  "event-place": "Virtually anywhere", 
  "type": "graphic", 
  "event": "The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5)"
}
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