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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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