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2020 |
Analysis of the Helical Kink Stability of Differently Twisted Magnetic Flux Ropes Magnetic flux ropes (MFRs) are usually considered to be the magnetic structure that dominates the transport of helicity from the Sun into the heliosphere. They entrain a confined plasma within a helically organized magnetic structure and are able to cause geomagnetic activity. The formation, evolution, and twist distribution of MFRs are issues subject to strong debate. Although different twist profiles have been suggested so far, none of them has been thoroughly explored yet. The aim of this work is to present a theoretic ... Florido-Llinas, M.; Nieves-Chinchilla, T.; Linton, M.; Published by: Solar Physics Published on: 09/2020 YEAR: 2020   DOI: 10.1007/s11207-020-01687-z coronal mass ejections; Flux ropes; Kink instability; magnetic fields; parker solar probe; Solar Probe Plus; Twist distribution |
The distribution of spacecraft in the inner heliosphere during 2019 March enabled comprehensive observations of an interplanetary coronal mass ejection (ICME) that encountered Parker Solar Probe (PSP) at 0.547 au from the Sun. This ICME originated as a slow (\~311 km s-1) streamer blowout (SBO) on the Sun as measured by the white-light coronagraphs on board the Solar TErrestrial RElations Observatory-A and the Solar and Heliospheric Observatory. Despite its low initial speed, the passage of the ICME at PSP was ... Lario, D.; Balmaceda, L.; Alzate, N.; Mays, M.; Richardson, I.; Allen, R.; Florido-Llinas, M.; Nieves-Chinchilla, T.; Koval, A.; Lugaz, N.; Jian, L.; Arge, C.; Macneice, P.; Odstrcil, D.; Morgan, H.; Szabo, A.; Desai, M.; Whittlesey, P.; Stevens, M.; Ho, G.; Luhmann, J.; Published by: The Astrophysical Journal Published on: 07/2020 YEAR: 2020   DOI: 10.3847/1538-4357/ab9942 |
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