Physics
Scientific paper
May 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spd....34.1708m&link_type=abstract
American Astronomical Society, SPD meeting #34, #17.08; Bulletin of the American Astronomical Society, Vol. 35, p.838
Physics
Scientific paper
Knowing the temperature distribution along a loop is one possible test for the coronal heating models. The matter of how background subtraction may or may not affect the temperature distribution of loops could also play a crucial role in this analysis. Several instruments are currently available for loop studies, and numerous techniques are used to determine the temperature distributions along the loops. This has lead to many different, and mostly conflicting temperature results. We have chosen the Soft X-ray Telescope (SXT), aboard the Japanese satellite Yohkoh, for this study. The SXT data archives were searched for possible loop candidates. A set of loops on the limb, as well as a set of loops on the disk, were chosen for analysis. Temperature maps were generated for each loop with and without background subtraction. For each loop, we used both a uniform background subtraction as well as a pixel-by-pixel background subtraction. Once the temperature as a function of arc length has been found, it is then compared to the predictions made by different models. The Solar physics research at the University of Memphis is supported by NASA grants NAG5-9783 and NAG5-12096.
Blevins H. T.
Medlin D. A.
Schmelz Joan T.
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