Asteroseismic constraints on the OPAL opacity interpolation
classification
🌌 astro-ph
keywords
interpolationopacitymodelsolar-likestarstwo-pointusedalmost
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The frequency difference between a model used only two-point interpolation of opacity and a model used piecewise linear interpolation of opacity is of the order of several microHertz at a certain stage, which is almost 10 times worse than the observational precision of p-modes of solar-like stars. Therefore, the two-point interpolation of opacity is unsuitable in modelling of solar-like stars with element diffusion.
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