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Paper: Characteristics of Magnetic Flux Ropes from the Sun to the Heliosphere
Volume: 484, Outstanding Problems in Heliophysics: From Coronal Heating to the Edge of the Heliosphere
Page: 78
Authors: Hu, Q.; Qiu, J.; Zheng, J.
Abstract: The magnetic flux-rope structures are observed on the Sun and in the heliosphere. In particular, the in-situ measurements in interplanetary space provide definitive evidence of existence of such structures, often embedded within large-scale Interplanetary Coronal Mass Ejections (ICMEs). Such in-situ measurements enable quantitative modeling of these structures and effort has been made to establish the physical connection with their solar sources. We will apply the Grad-Shafranov reconstruction technique to examine the configuration of interplanetary flux ropes and to derive relevant geometrical and physical quantities, such as the magnetic flux content. We present a comparison of such quantities with their solar sources. A recent development in taking into account the torus-shaped flux-rope geometry is briefly illustrated. We discuss the importance of magnetic reconnection on the Sun in the formation of magnetic flux ropes.
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