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Partially-ejected flux ropes: implications for space weather View all abstracts by submitter

Sarah Gibson   Submitted: 2007-03-07 12:50

The structure and evolution of the sources of solar activity directly affects the nature of space weather disturbances that reach the Earth. We have previously demonstrated that the loss of equilibrium and partial ejection of a coronal magnetic flux rope matches observations of coronal mass ejections (CMEs) and their precursors.In this paper we discuss the significance of such a partially-ejected rope for space weather. We will consider how the evolution and bifurcation of the rope modifies it from its initial, source configuration. In particular, we will consider how reconnections and writhing motions lead to an escaping rope which has an axis rotated counterclockwise from the original rope axis orientation, and which is rooted in transient coronal holes external to the original source region.

Authors: Sarah E. Gibson and Yuhong Fan
Projects: None

Publication Status: Proceedings of the International Astronomical Union, Volume 2, Symposium S233, 319, 2006
Last Modified: 2007-03-07 12:52
Go to main E-Print page  Coupling between radial and torsional oscillations in a magnetized plasma and possible stellar applications  The evolving sigmoid: evidence for magnetic flux ropes in the corona before, during, and after CMEs  Edit Entry  Download Preprint  Submitter's Homepage Delete Entry 

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