A Radiative Hydrodynamic Simulation of the 23 July 2002 Solar Flare

Details A Radiative Hydrodynamic Simulation of the 23 July 2002 Solar Flare A Radiative Hydrodynamic Simulation of the 23 July 2002 Solar Flare

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agusmsh52a..01a&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SH52A-01

Physics

7519 Flares

Scientific paper

We report on a simulation of the 23 July 2002 X-class solar flare. The flare was simulated by modeling the radiative hydrodynamic response of the solar atmosphere to a beam of non-thermal electrons. The electron beam spectrum was inferred from X-ray spectra obtained by RHESSI during the 23 July flare. The total beam flux and energy distribution vary as a function of time allowing us to investigate temporal correlations of the electron beam with the observed spectral response. In particular, we investigate the correlation of the beam heating rate with the white light increase. Our flare simulations include detailed non-LTE, optically thick radiative transfer which is crucial for understanding how energy is transported from the chromosphere deep into the photosphere where the white light is produced. During the course of the flare simulation we find the level of increase in white light matches well with observations of similarly sized white light flares.

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