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Radioheliograph observations of microwave bursts with zebra structures View all abstracts by submitter

Nataliia Meshalkina   Submitted: 2011-09-27 18:20

The so-called zebra structures in radio dynamic spectra, specifically theirfrequencies and frequency drifts of emission stripes, contain information onthe plasma parameters in the coronal part of flare loops. This paper presentsobservations of zebra structures in a microwave range. Dynamic spectra wererecorded by Chinese spectro-polarimeters in the frequency band close to theworking frequencies of the Siberian Solar Radio Telescope. The emission sourcesare localized in the flare regions, and we are able to estimate the plasmaparameters in the generation sites using X-ray data. The interpretation of thezebra structures in terms of the existing theories is discussed. The conclusionhas been arrived that the preferred generation mechanism of zebra structures inthe microwave range is the conversion of plasma waves to electromagneticemission on the double plasma resonance surfaces distributed across a flareloop.

Authors: A.T. Altyntsev, S.V. Lesovoi, N.S. Meshalkina, R.A. Sych, Y. Yan
Projects: None

Publication Status: 10.1007/s11207-011-9856-9
Last Modified: 2011-09-28 10:02
Go to main E-Print page  Origin of the submillimeter radio emission during the time-extended phase of a solar flare  The Wave Properties of Coronal Bright Fronts Observed Using SDO/AIA  Edit Entry  Download Preprint  Delete Entry 

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