Modeling STEREO White-Light Observations of CMEs with 3D MHD Simulations

Details Modeling STEREO White-Light Observations of CMEs with 3D MHD Simulations Modeling STEREO White-Light Observations of CMEs with 3D MHD Simulations

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsh32a0785m&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SH32A-0785

Physics

7509 Corona, 7513 Coronal Mass Ejections (2101), 7514 Energetic Particles (2114), 7531 Prominence Eruptions, 7984 Space Radiation Environment

Scientific paper

We model the Thomson-scattered white-light appearance of a variety of 3D MHD models of CMEs during solar minimum to reproduce large-scale features of SECCHI observations. We create a gallery of expected CME shapes at large elongations as seen by SECCHI. We examine evidence of shock propagation, magnetic clouds, CME pancaking, and complex time evolution as CMEs propagate at large elongation past the Thomson sphere. A key point is to determine how the structure of CMEs and CME-driven shocks are affected by interaction with the ambient solar wind. MHD models are performed with BATSRUS and SWMF, and formulated by first arriving at a steady state corona and solar wind employing synoptic magnetograms. We initiate CMEs from active regions low in the corona with magnetic flux ropes.

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