Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.1824k&link_type=abstract
American Astronomical Society, SPD meeting #42, #18.24; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astrophysics
Scientific paper
The apparent width of observed coronal loops can have significant effects on the perceived evolution of flaring active regions. Frequently, comparing a model flare to observation requires an estimate of the filling factor of loops contributing to the signal. If the analysis assumes the loops are resolved, the cooling times derived from the observations are often much longer than predicted by models. We have developed software to forward model the cooling of flaring loops, and estimate their observational signatures. This allows exploration of the physical parameters necessary within a given model to reproduce the observations. We can then estimate the number of unresolved strands contained within the observed flare loop. We will present early results from this study using data from Yohkoh/SXT. The implementation of Hinode/XRT observations to improve our spatial resolution and thermal range will also discussed.
This work is supported by NASA under contract NNM07AB07C with the Harvard-Smithsonian Astrophysical Observatory. Yohkoh data are provided courtesy of the NASA-supported Yohkoh Legacy Archive at Montana State University.
Kobelski Adam
McKenzie David E.
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