Other
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agusmsp24a..04l&link_type=abstract
American Geophysical Union, Spring Meeting 2008, abstract #SP24A-04
Other
2111 Ejecta, Driver Gases, And Magnetic Clouds, 7513 Coronal Mass Ejections (2101), 7524 Magnetic Fields, 7526 Magnetic Reconnection (2723, 7835)
Scientific paper
We present an analysis of the dynamics of 3-dimensional sheared arcade magnetic breakout eruptions that become flux rope CMEs during the eruptive flare reconnection process. We compare the results of two otherwise identical numerical simulations, differing only in the direction of the applied shearing motions (i.e. the handedness of the sheared arcade systems and their resulting CME fields). The right-handed flux rope rotates clockwise and the left-handed flux rope rotates counter-clockwise as they propagate through the low-corona from 2-4 Rs. We characterize the average rotation angle of their respective axes relative to their active region neutral lines and discuss the forces acting on the erupting structures. The simulation results are then placed in the context of recent observational work linking the CME source region neutral line orientation, the overlying helmet streamer belt orientation, flux-rope orientation inferred from coronagraph halo-CME observations, and 1 AU measurements of the associated magnetic cloud orientation. BJL acknowledges NSF SHINE grant ATM-0621725.
Antiochos Spiro K.
DeVore Richard C.
Li Yadong
Luhmann Janet G.
Lynch Benjamin J.
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