Other
Scientific paper
May 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21640215s&link_type=abstract
American Astronomical Society, AAS Meeting #216, #402.15; Bulletin of the American Astronomical Society, Vol. 41, p.875
Other
Scientific paper
Coronal field extrapolation models are based on observed photospheric field data. The global models (eg. MHD and potential field source surface model (PFSS)) study the large scale stable structures of the corona, whereas local models (eg. non-linear force free field model (NLFFF)) look at smaller scale events that are more dynamic, with more drastic energy build up and release. While both have been successful at explaining a variety of solar activities, fewer studies are devoted to how these two types of models could be integrated, and how large scale and small scale magnetic activities interact with each other. In this study, we demonstrate our first attempt in this direction. We plan to use (1) series of updated synchronic maps and the PFSS model and (2) series of vector magnetograms with the NLFFF model to study the magnetic structure before and after major solar events. If available, results using the newest HMI data will also illustrate the prospect of future studies.
Hoeksema Jon Todd
Sun Xudong
Wiegelmann Th.
Zhao Xiaopeng
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