Analysis of the substructure within a complex magnetic cloud on 3-4 September 2008

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dc.contributor.author Andreeova, K.
dc.contributor.author Kilpua, E. K. J.
dc.contributor.author Hietala, H.
dc.contributor.author Koskinen, H. E. J.
dc.contributor.author Isavnin, A.
dc.contributor.author Vainio, R.
dc.date.accessioned 2016-05-09T11:24:01Z
dc.date.available 2016-05-09T11:24:01Z
dc.date.issued 2013
dc.identifier.citation Andreeova , K , Kilpua , E K J , Hietala , H , Koskinen , H E J , Isavnin , A & Vainio , R 2013 , ' Analysis of the substructure within a complex magnetic cloud on 3-4 September 2008 ' , Annales Geophysicae , vol. 31 , no. 3 , pp. 555-562 . https://doi.org/10.5194/angeo-31-555-2013
dc.identifier.other PURE: 32744875
dc.identifier.other PURE UUID: 5025b013-4cc5-413b-87f4-667c23d3d0ef
dc.identifier.other WOS: 000318432300015
dc.identifier.other Scopus: 84895785860
dc.identifier.other ORCID: /0000-0003-3839-6461/work/29769057
dc.identifier.other ORCID: /0000-0002-7178-627X/work/29690119
dc.identifier.other ORCID: /0000-0002-4489-8073/work/40996244
dc.identifier.uri http://hdl.handle.net/10138/161494
dc.description.abstract In this paper we have analyzed a substructure found within a leading part of a north–south-oriented magnetic cloud (MC) observed on 3–4 September 2008 in the near-Earth solar wind by multiple spacecraft (ACE, Wind, THEMIS B and C). The MC was preceded by a stream interface (SI) and followed by a high-speed stream (HSS). The identified substructure featured a strong depletion of suprathermal halo electrons and showed distinct magnetic field and plasma signatures. It occurred where suprathermal electron flow within a cloud changed from bidirectional to unidirectional, indicating change in the field line connectivity to the Sun. We found that the substructure maintained roughly its integrity from the first Lagrangian point to the vicinity of the Earth's bow shock in the front edge of the MC, but revealed small changes in the structure which could be explained either by temporal evolution or spatial configuration of the spacecraft. en
dc.format.extent 8
dc.language.iso eng
dc.relation.ispartof Annales Geophysicae
dc.rights cc_by
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject Interplanetary physics
dc.subject Solar wind plasma
dc.subject CORONAL MASS EJECTIONS
dc.subject SOLAR-WIND
dc.subject DEPLETIONS
dc.subject MINIMUM
dc.subject 115 Astronomy, Space science
dc.title Analysis of the substructure within a complex magnetic cloud on 3-4 September 2008 en
dc.type Article
dc.contributor.organization Department of Physics
dc.contributor.organization Space Physics Research Group
dc.description.reviewstatus Peer reviewed
dc.relation.doi https://doi.org/10.5194/angeo-31-555-2013
dc.relation.issn 0992-7689
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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