Statistics – Applications
Scientific paper
Mar 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.477...99d&link_type=abstract
In: Proceedings of the Second Solar Cycle and Space Weather Euroconference, 24 - 29 September 2001, Vico Equense, Italy. Editor:
Statistics
Applications
Sun: Corona, Atomic Processes
Scientific paper
The influence of the electron power distribution on the excitation equilibrium of the Fe XXV in the solar corona is studied. A parametric form of the distribution function is used to demonstrate the changes in the excitation equilibrium. A new parameter, a pseudo-temperature, is introduced for better understanding of physics. It is shown that the Fe XXV line intensities depend on the shape of the electron distribution and the unusual Fe line ratios can be observed for non-thermal distribution. The results can be used in specific applications in the solar corona, especially in diagnostics of the impulsive phase of solar flares, where the deviations from the Maxwellian distribution can be large.
Dzifcakova Elena
Kulinova Alena
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