Physics
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spd....37.0113n&link_type=abstract
American Astronomical Society, SPD meeting #37, #1.13; Bulletin of the American Astronomical Society, Vol. 38, p.217
Physics
Scientific paper
Determining the heating profile of coronal loops is still a fundamental problem in solar physics. In order to determine the heating profile of three candidate loops we measure their temperature profiles by employing multiple techniques; filter ratios, line ratios, emission measure (EM) loci and differential emission measure (DEM) analysis. We find that the temperature responses are largely influenced by the method of analysis employed. We compare the accuracy of these methods by creating simulations of known heating profiles along loops and repeat the methods of analysis that were used on the observed loops. In the numerical models the line of sight and ionization non-equilibrium effects can be taken into account and their effects on temperature measurement demonstrated. Results from the upcoming Atmospheric Imaging Assembly are also simulated in preparation for the upcoming mission.This work was sponsored by NASA GSFC Contract NNG04EA00C for the Atmospheric Imaging Assembly and NSF REU grant ATM-0243923.
Martens Petrus C.
Neal Kerry
Winter Henry D.
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