Temperature Analysis of 171-A Coronal Loops

Details Temperature Analysis of 171-A Coronal Loops Temperature Analysis of 171-A Coronal Loops

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21822417w&link_type=abstract

American Astronomical Society, AAS Meeting #218, #224.17; Bulletin of the American Astronomical Society, Vol. 43, 2011

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Scientific paper

We searched the Atmospheric Imaging Assembly (AIA) database for observations of active region coronal loops seen in the 171-A images, which have a peak response temperature of Log T = 5.8. The twelve resulting loops were then analyzed to determine whether the cross-field temperature was isothermal or multithermal. A few of the twelve loops could be recognized as isothermal based on the narrowness of the resulting Differential Emission Measure (DEM) curves. These loops could then be modeled as a single magnetic flux tube. Most of the loops, however, were classified as multithermal as they have relatively broad DEM curves. These loops were more likely composed of several or even many magnetic strands, which might be tangled but are still able to confine plasma of different temperatures.

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