Analysis of RHESSI Flares Using aRadio Astronomical Technique

Details Analysis of RHESSI Flares Using aRadio Astronomical Technique Analysis of RHESSI Flares Using aRadio Astronomical Technique

Feb 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007soph..240..241s&link_type=abstract

Solar Physics, Volume 240, Issue 2, pp.241-252

Physics

21

Sun: X-Rays, Sun: Flares, Instruments, Image Processing, Numerical Methods

Scientific paper

We have used Ramaty High Energy Solar Spectroscopic Imager (RHESSI) modulation profiles in the 25 300 keV range to construct high-fidelity visibilities of 25 flares having at least two components. These hard X-ray visibilities, which are mathematically identical to the visibilities of radio imaging, were input to software developed for mapping solar flares in the microwave domain using the Maximum Entropy Method (MEM). We compared and contrasted the MEM maps with Clean and Pixon maps made with RHESSI software. In particular, we assessed the reliability of the maps and their morphologies for future investigations of the symmetry of bipolar electron beaming in the sample set.

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