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| Titel |
Plasma flow channels with ULF waves observed by Cluster and Double Star |
| VerfasserIn |
M. Volwerk, T. L. Zhang, R. Nakamura, A. Runov, W. Baumjohann, K.-H. Glassmeier, T. Takada, H. U. Eichelberger, C. M. Carr, A. Balogh, B. Klecker, H. Rème |
| 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 ; 23, no. 8 ; Nr. 23, no. 8 (2005-11-08), S.2929-2935 |
| Datensatznummer |
250015361
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| Publikation (Nr.) |
 copernicus.org/angeo-23-2929-2005.pdf |
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| Zusammenfassung |
| On 14 August 2004 a large-scale magnetic structure was observed by Double Star
TC-1 in the southern lobe and by Cluster in the northern lobe of the
magnetotail. The structure has the signature of a (localized) dipolarization,
decreasing Bx accompanied by an increasing Bz and a strong
earthward flow. The propagation direction of this structure, however, seems
to be more in the dawnward direction than earthward. The structure is
accompanied by ULF waves with a period of ~5 min, which are
simultaneously observed by the ground magnetometer station DIK, at the
magnetic footpoints of the spacecraft. We interprete these waves as modes
driven by the plasma flow and propagating in the flow channel. |
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