Modeling epsilon Eri and Asteroseismic Tests of Element Diffusion

  title={Modeling epsilon Eri and Asteroseismic Tests of Element Diffusion},
  author={N. Gai and Shaolan Bi and Y. Tang},
  journal={Chinese Journal of Astronomy and Astrophysics},
  • N. Gai, Shaolan Bi, Y. Tang
  • Published 2008
  • Physics
  • Chinese Journal of Astronomy and Astrophysics
  • Taking into account the helium and metal diffusion, we explore the possible evolutionary status with a seismic analysis, of the MOST (Microvariability and Oscillations of STars) target: the star epsilon Eri. We adopt different input parameters to construct models to fit the available observational constraints in, e.g., T-eff, L, R and [Fe/H]. From the computation we obtain the average large spacings of epsilon Eri to be about 194 +/- 1 mu Hz. The age of the diffused models was found to be about… CONTINUE READING
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