Other
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh32a0726c&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SH32A-0726
Other
2109 Discontinuities, 2134 Interplanetary Magnetic Fields
Scientific paper
Magnetic field and suprathermal electron data from Wind and ACE are used to provide information on the structure of the heliospheric current sheet at scales sizes of 100 Re and less, covering the range of interspacecraft distances in the plane perpendicular to the solar wind flow direction. Preliminary analysis of a case in which the spacecraft are separated by 60 Re indicates nearly identical, coincident magnetic rotations across the current sheet. The signatures are consistent with passage through a flux rope with a cross-sectional diameter of about 360 Re and an axis pointing northward, roughly joining the two spacecraft. The suprathermal electron signatures at the two spacecraft, however, are complex and somewhat different. They include some counterstreaming, suggesting a partially magnetically closed rope. Further analysis of this and other cases will help document the variety, scale sizes, and topology of local features and will test the hypothesis that on the local scale the heliospheric current sheet sometimes consists of a network of intertwined flux tubes and/or ropes.
Crooker Nancy U.
Gosling Jack T.
Kahler Stephen W.
Larson Davin E.
Lepping Ronald P.
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