Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spd....40.2213t&link_type=abstract
American Astronomical Society, SPD meeting #40, #22.13; Bulletin of the American Astronomical Society, Vol. 41, p.860
Astronomy and Astrophysics
Astronomy
Scientific paper
We have studied the May 12 1997 CME event by combining two powerful tools: (1) Our numerical MHD model of erupting magnetic configurations; and (2) Our generalized method for analyzing their magnetic structure. This approach allows us to identify the building blocks of such configurations by computing all their separatrix and quasi-separatrix surfaces that play the role of interfaces between such blocks. The latter include, in particular, a flare arcade and erupting magnetic flux rope, which we relate to the observed flare ribbons and EUV dimmings of the event. This provides a solid basis for a very detailed comparison of our MHD model with observational data on this eruption. Such a comparison helps us to verify our model and understand what physical processes occur at different stages of the observed event.
This work is supported by NASA and the Center for Integrated Space Weather Modeling (an NSF Science and Technology Center).
Linker Jon A.
Lionello Roberto
Mikic Zoran
Titov Viacheslav
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