Features of the Gasdynamical Response of the Outer Solar Atmosphere to an Impulsive Heating |
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| Authors: | AYa Boiko MA Livshits |
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| Institution: | (1) Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagations, Russian Academy of Sciences, Troitsk, Moscow Region, Russia |
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| Abstract: | New results of the numerical modeling of the response of the outer atmosphere of the Sun to an impulsive heating are presented.
Features of the general process are considered both for powerful and weak solar flares. For the most powerful flares it is
necessary to take into account the effect of a saturation of the heat flow. Though for the most powerful solar flares the
saturation of a thermal flow is not such large, the influence of this effect is important for cases of powerful flares on
red dwarf stars, strongly limiting the input of the thermal energy downwards. The response of the atmosphere, which consists
of the chromosphere, the transition region and the corona, to weak heating is characterized by creation no one as usually
but two ascending coronal flows. The occurrence of the additional flow at coronal heights is caused by the inhomogeneous initial
heating of the outer atmosphere. Some types of soft X-ray and UV-jets can be associated with such additional flow.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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