Energetic ion observations of a large scale vortex in the distant geotail | Zendy

Sanderson T. R. | Zendy; Daly P. W. | Zendy; Wenzel K.P. | Zendy; Hones E. W. | Zendy; Bame S. J. | Zendy

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Energetic ion observations of a large scale vortex in the distant geotail

Author(s) -

Sanderson T. R.,

Daly P. W.,

Wenzel K.P.,

Hones E. W.,

Bame S. J.

Publication year - 1984

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl011i010p01094

Subject(s) - plasma sheet , magnetosphere , vortex , physics , ion , boundary layer , plasma , atomic physics , geophysics , mechanics , nuclear physics , quantum mechanics

We present first observations in the deep tail of the magnetosphere of a vortex structure in both energetic ions (E > 35 keV) and plasma. We observe a vortex, with period about 15 minutes, at X = −217 R e within the energetic ion boundary layer which marks the boundary between the plasma sheet and the southern lobe. The vortex, which was coplanar with the boundary layer, was observed between a region of tailward flow of energetic ions (i.e. the plasma sheet) and a region with no tailward flow (i.e. the southern lobe).

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