On the nature of the transition region between the solar corona and chromosphere |
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| Authors: | O V Ptitsyna B V Somov |
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| Institution: | 1. Sternberg Astronomical Institute, M.V. Lomonosov Moscow State University, Universitetskii pr. 13, Moscow, 119992, Russia
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| Abstract: | We have calculated an equilibrium temperature distribution over the column depth of plasma in the transition region between the solar corona and chromosphere by assuming the plasma in the transition region and the chromosphere to be heated by the heat flux from the corona and the energy fluxes from the convective zone, respectively. The corona-chromosphere transition region is shown to be actually a stable, very thin layer in which, however, the standard collision approximation is well applicable for describing the heat flux. The solution we found explains well the currently available results of satellite observations of extreme ultraviolet (EUV) radiation from the transition region. |
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