Synthetic Spectra of the Fe VIII Fe XVI Emission Lines for Electron Non-Thermal Distributions

Details Synthetic Spectra of the Fe VIII Fe XVI Emission Lines for Electron Non-Thermal Distributions Synthetic Spectra of the Fe VIII Fe XVI Emission Lines for Electron Non-Thermal Distributions

Feb 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007soph..240..211d&link_type=abstract

Solar Physics, Volume 240, Issue 2, pp.211-226

Physics

7

Scientific paper

A certain class of non-thermal electron distributions can exhibit more mono-energetic shape and a higher peak than the Maxwellian distribution. This type of electron distribution can be observed mainly in flaring plasmas. We have studied the influence of this kind of electron energy distribution on the excitation equilibrium of Fe VIII Fe XVI in the solar corona. The changes in synthetic spectra of the emission lines belonging to these ions due to this non-thermal distribution are shown. The possibilities of finding the shape of the energy distribution function of electrons from the Fe line ratios are also discussed. The results can be used for diagnostics of coronal plasmas where the deviations of particle energy distributions from the Maxwellian one can be significant.

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