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Updated calculations of the ionization equilibrium for the non-Maxwellian electron n-distributions in solar flares

Published online by Cambridge University Press:  09 September 2016

Elena Dzifčáková  and
Jaroslav Dudík
Elena Dzifčáková
Affiliation:
Astronomical Institute of the Czech Academy of Sciences, Fričova 249, 251 65 Ondřejov, Czech Republic email: elena@asu.cas.cz, jaroslav.dudik@asu.cas.cz
Jaroslav Dudík
Affiliation:
Astronomical Institute of the Czech Academy of Sciences, Fričova 249, 251 65 Ondřejov, Czech Republic email: elena@asu.cas.cz, jaroslav.dudik@asu.cas.cz
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Abstract

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The assumption of an equilibrium (Maxwellian) distribution of electron energies cannot explain observed high intensities of the Si XIId satellite lines relative to the Si XIII allowed lines during the flares. However, the presence of n-distribution with a higher and narrower shape than the Maxwellian one is able to explain this behavior. We calculated the ionization equilibrium for the non-thermal n-distributions using the latest atomic data for each element up to the proton number of 30. Significant changes in the shape and maxima of the ion abundance peak occur and can strongly influence the temperature diagnostics.

Keywords

Sun: flaresSun: coronaSun: X-rays
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S320: Solar and Stellar Flares and their Effects on Planets , August 2015 , pp. 243 - 245
Copyright
Copyright © International Astronomical Union 2016 

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