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  The Induced Magnetosphere of Mars: Asymmetrical Topology of the Magnetic Field Lines

Dubinin, E. M., Modolo, R., Fränz, M., Päetzold, M., Woch, J., Chai, L., et al. (2019). The Induced Magnetosphere of Mars: Asymmetrical Topology of the Magnetic Field Lines. Geophysical Research Letters, 46(22), 12722-12730. doi:10.1029/2019GL084387.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-8663-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-8664-3
Genre: Journal Article

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 Creators:
Dubinin, E. M.1, Author              
Modolo, R., Author
Fränz, Markus1, Author              
Päetzold, M., Author
Woch, Joachim2, Author              
Chai, L., Author
Wei, Y., Author
Connerney, J. E. P., Author
Mcfadden, J., Author
DiBraccio, G., Author
Espley, J., Author
Grigorenko, E., Author
Zelenyi, L., Author
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              
2Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832289              

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 Abstract: An asymmetrical pileup of the interplanetary magnetic field leads to an additional draping of the field lines in the opposite direction to the motional electric field. Such a draping and the associated magnetic field forces push the ionosphere plasma in the transverse direction opening a passage for an ion trail which contains dense and slowly moving plasma. We found that wrapping of the field lines around Mars starts in the hemisphere pointing in the direction of the motional electric field and propagates to the opposite hemisphere where the cross‐flow component of the draped interplanetary magnetic field changes sign in a broad area accompanied by the formation of loops of closed field lines. Reconnection near Mars accompanied by the generation of plasma vortices imposes serious constraints on the ion dynamics and their escape through the tail. The existence of all these features is confirmed by hybrid simulations.

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Language(s): eng - English
 Dates: 2019
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1029/2019GL084387
ADS: 2019GeoRL..4612722D
 Degree: -

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Title: Geophysical Research Letters
  Abbreviation : GRL
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Geophysical Union / Wiley
Pages: - Volume / Issue: 46 (22) Sequence Number: - Start / End Page: 12722 - 12730 Identifier: ISSN: 0094-8276
CoNE: https://pure.mpg.de/cone/journals/resource/954925465217