Dynamics of Active Region Loops: Temperature Measurements as a function of Time

Details Dynamics of Active Region Loops: Temperature Measurements as a function of Time Dynamics of Active Region Loops: Temperature Measurements as a function of Time

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsh44a..03c&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #SH44A-03

Physics

7509 Corona, 7549 Ultraviolet Emissions, 7594 Instruments And Techniques

Scientific paper

The combination of moderate resolution EUV spectroscopy and high resolution narrow band filter images provides the most accurate measure of temperature and density for coronal loops to date. We will demonstrate our technique for combining the data sets from the Coronal Diagnostic Spectrometer on SoHO and the Transition Region and Coronal Explorer. Background subtracted spectral intensities are used to determine the temperature of coronal loops and the TRACE images help determine the loop cross-section, temporal variability, and filling factor. The resulting temperature profiles for multiple positions along a loop leg are determined using the EM LOCI method, and a technique for determining whether a single temperature can characterize the plasma is also presented. We compare the results of our study to current models.

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