Abstract
Solar global acoustic oscillations in a multilayer model of the solar atmosphere are studied in the plane-parallel geometry. Calculated frequencies of acoustic modes of the Sun are found to depend on parameters of the temperature profile used in the model. Larger influence on frequencies comes from values of the temperature gradient in the convection zone, and less influence from values of the thickness L of the transitional layer and from values of the ratio τ≡Tc/Tp of the coronal and the photospheric temperature, Tc and Tp, respectively. The uncertainties in determining these parameters can easily yield frequency shifts that are larger than the observational accuracy. This then indicates a possibility for a diagnostics of solar plasma based on known values of observed oscillation frequencies.
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