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On spatial variations of magnetic field and superthermal electron distribution in cm-radio burst source

Published online by Cambridge University Press:  01 September 2008

Leonid V. Yasnov  and
Marian Karlický
Leonid V. Yasnov
Affiliation:
Radiophysical Research Institute, St.-Petersburg State UniversityUl'yanovskaya 1, St.-Petersburg, 198504, Russia
Marian Karlický
Affiliation:
Astronomical Institute, Academy of Sciences of the Czech Republic251 65 Ondrejov, Czech Republic
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Abstract

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The paper presents a new method of an estimation of spatial variations of the magnetic field and superthermal electron distribution in solar cm-radio burst sources. The method is based on the analysis of several burst spectra recorded in the different moments of time and on the minimization of the difference between the theoretical and observed radio fluxes. It is found that the measure of the spatial variations of superthermal electron distribution in the radio source is always greater than that for the magnetic field. In most cases this measure has a minimum at the impulsive phase of cm-radio bursts.

Keywords

Sun: radio radiation Methods: data analysis
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Symposium S257: Universal Heliophysical Processes , September 2008 , pp. 353 - 356
Copyright
Copyright © International Astronomical Union 2009

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