Physics
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008espm...122.108k&link_type=abstract
"12th European Solar Physics Meeting, Freiburg, Germany, held September, 8-12, 2008. Online at http://espm.kis.uni-freiburg.de/,
Physics
Scientific paper
Hard X-ray emission of solar flares is analysed to infer the magnetic loop sizes and density structures in the solar chromosphere. Using Ramaty Solar Spectroscopic Imager (RHESSI) X-ray data and newly developed X-ray visibilities technique we find the FWHM and centroid positions of hard X-ray sources with subarcsecond resolution 0.2'' for a limb solar flare. We show that the height variations of the chromospheric density and the magnetic loop size can be found with vertical resolution of around 150 km by mapping 20-200 keV X-ray emission of energetic electrons propagating in the loop. Our observations suggest that the density of the neutral gas is in a good agreement with hydrostatic models with scale height around 147± 28km. FWHM sizes of the X-ray sources decrease with energy suggesting expansion of magnetic flux tube in the cromosphere with height. The magnetic scale height is found to be of the order of 300km.
Kontar Eduard
MacKinnon Alec
No associations
LandOfFree
X-ray Measurements of Magnetic Field and Density Structure in Flaring Solar Coronal Loops does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with X-ray Measurements of Magnetic Field and Density Structure in Flaring Solar Coronal Loops, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and X-ray Measurements of Magnetic Field and Density Structure in Flaring Solar Coronal Loops will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1796432