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| Titel |
Near-simultaneous magnetotail flux rope observations with Cluster and Double Star |
| VerfasserIn |
A. P. Walsh, A. N. Fazakerley, R. J. Wilson, I. V. Alexeev, P. D. Henderson, C. J. Owen, E. Lucek, C. Carr, I. Dandouras |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 25, no. 8 ; Nr. 25, no. 8 (2007-08-29), S.1887-1897 |
| Datensatznummer |
250015904
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| Publikation (Nr.) |
 copernicus.org/angeo-25-1887-2007.pdf |
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| Zusammenfassung |
| We present observations of three magnetic flux ropes in the tail of the
Earth's magnetosphere on 7 August 2004 by the Cluster and Double Star TC-1
spacecraft. The first two flux rope signatures were observed,
near-simultaneously, by Cluster and TC-1, which were located at (–16.3, –8.7,
0.10) RE GSM and (–10.3, –7.11, 0.81) RE GSM, respectively, a
separation of 6.3 RE. A third signature was observed some four minutes
later by two of the four Cluster spacecraft, while the other two spacecraft
observed a feature resembling a Travelling Compression Region (TCR). These
observations are interpreted as three individual flux ropes existing in the
magnetotail, the first two, at least, simultaneously. The formation mechanism
of the flux ropes and the consequences of their presence for the structure of
the magnetotail on this day are discussed in the context of multiple X-point
reconnection. |
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