Cluster four spacecraft measurements of small traveling compression regions in the near-tail

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dc.contributor.authorSlavin, J. A.
dc.contributor.authorOwen, C. J.
dc.contributor.authorDunlop, M. W.
dc.contributor.authorBorälv, E.
dc.contributor.authorMoldwin, M. B.
dc.contributor.authorSibeck, D. G.
dc.contributor.authorTanskanen, E.
dc.contributor.authorGoldstein, Melvyn
dc.contributor.authorFazakerley, A.
dc.contributor.authorBalogh, A.
dc.contributor.authorLucek, E.
dc.contributor.authorRichter, I.
dc.contributor.authorReme, H.
dc.contributor.authorBosqued, J. M.
dc.date.accessioned2023-11-09T20:55:56Z
dc.date.available2023-11-09T20:55:56Z
dc.date.issued2003-12-09
dc.description.abstractCluster observations taken during a substorm on September 19, 2001 have revealed the presence of small traveling compression regions (TCRs) in the near tail. These measurements are used to determine directly the speed and direction of TCR propagation and the amplitude of the underlying bulge in the plasma sheet. The time-of-flight speeds derived from the arrival times of the magnetic perturbations at the different Cluster s/c yielded a mean speed of 413 km/s. For 2 of the TCRs s/c 1, 2 and 4 were located sufficiently close to the plasma sheet that they were immersed in the central plasma sheet plasma as the TCR swept over s/c 3. In this manner the Cluster measurements directly demonstrated that these small TCRs are caused by moving bulges in the plasma sheet-lobe interface. In summary, our analysis of the Cluster measurements has directly demonstrated the existence of moving bulges in the north-south thickness of the plasma sheet, most probably due to the formation of flux ropes, and their role in producing traveling compression regions.en_US
dc.description.sponsorshipThe computational assistance provided by Carmen Liebrecht is gratefully acknowledged. The work by one of the authors (IR) was supported by the Deutches Zentrum fur Luft und Raumfart under contact 50OC0103.en_US
dc.description.urihttps://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2003GL018438en_US
dc.format.extent4 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2grm1-uq1e
dc.identifier.citationSlavin, J. A., et al. (2003), Cluster four spacecraft measurements of small traveling compression regions in the near-tail, Geophys. Res. Lett., 30, 2208, doi:10.1029/2003GL018438, 23.en_US
dc.identifier.urihttps://doi.org/10.1029/2003GL018438
dc.identifier.urihttp://hdl.handle.net/11603/30661
dc.language.isoen_USen_US
dc.publisherAGUen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Goddard Planetary Heliophysics Institute (GPHI)
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleCluster four spacecraft measurements of small traveling compression regions in the near-tailen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0002-5317-988Xen_US

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