Optical-to-Radio Continua in Solar Flares

Details Optical-to-Radio Continua in Solar Flares Optical-to-Radio Continua in Solar Flares

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012soph..277...31h&link_type=abstract

Solar Physics, Volume 277, Issue 1, pp.31-44

Physics

Solar Flares, Spectral Continua, Diagnostics

Scientific paper

Spectral continua observed during solar flares may contain information about both thermal and non-thermal heating mechanisms. Using two semi-empirical flare models F2 and FLA, we synthesize the thermal continua from optical to mm-radio domains and compare their intensities with quiet-Sun values computed from a recent model C7. In this way, the far-infrared and sub-mm/mm continua are studied for the first time, and we present our results as a benchmark for further modeling and for planning new observations, especially with the ALMA instrument. Finally, we demonstrate how these continua are formed and show a close correspondence between their brightness temperature and the kinetic-temperature structure of the flaring atmosphere.

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