MHD Modeling of the Sympathetic Eruptions Observed on August 1, 2010

Details MHD Modeling of the Sympathetic Eruptions Observed on August 1, 2010 MHD Modeling of the Sympathetic Eruptions Observed on August 1, 2010

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh41b..04m&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SH41B-04

Astronomy and Astrophysics

Astrophysics

[7509] Solar Physics, Astrophysics, And Astronomy / Corona, [7513] Solar Physics, Astrophysics, And Astronomy / Coronal Mass Ejections, [7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields, [7531] Solar Physics, Astrophysics, And Astronomy / Prominence Eruptions

Scientific paper

The multiple solar eruptions observed by SDO on August 1, 2010 present a special challenge to theoretical models of CME initiation. SDO captured in detail a remarkable chain of sympathetic eruptions that involved the entire visible hemisphere of the Sun (Schrijver et al. 2011). It consisted of several flares and six filament eruptions/CMEs, and triggered a geomagnetic storm on August 3 (de Toma et al. 2010). This series of eruptions was also observed by the two STEREO spacecraft. This collection of observations presents a unique opportunity to understand sympathetic eruptions theoretically. We will present 3D MHD simulations of these events that have helped us to understand the possible mechanisms by which the various filament eruptions/CMEs may be linked, with particular emphasis on the global topology of the coronal magnetic field in which these structures are embedded.

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