Multi-Spacecraft Reconstruction of the Magnetic Fields InICMEs with Writhe Structure

Details Multi-Spacecraft Reconstruction of the Magnetic Fields InICMEs with Writhe Structure Multi-Spacecraft Reconstruction of the Magnetic Fields InICMEs with Writhe Structure

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh51a1995a&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SH51A-1995

Physics

Plasma Physics

[7800] Space Plasma Physics

Scientific paper

The structure of magnetic clouds' (MCs) magnetic field can be reconstructed from in situ measurements under certain assumptions (2.5-D, temporal invariance, force-free, etc...). Typically, the reconstructions yield in helically twisted flux rope. In a previous work, we have shown how recon-structing the magnetic field of synthetic in situ measurements from coronal mass ejections (CMEs) with writhed field lines structure, can yield a structure of a helically twisted flux rope. Here, we investigate the cases of multi-spacecraft measurements. We study different cases of two and three spacecraft at different orientation with respect to the CME axis. We analyze how the different separation and orientation can help us distinguish between writhed and twisted magnetic field.

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