An examination has been conducted of the region of occurrence of flux transfer events for three distinct orientations of the interplanetary magnetic field: nearly horizontal in the solar magnetospheric equator, diagonally southward at 45 deg to the magnetospheric equator and nearly due south. For horizontal IMF conditions the FTE's occur in a horizontal band about + or - 6 earth radii wide. For diagonally southward IMF conditions, the FTE's occur in a diagonal swath about + or - 6 earth radii wide passing through the subsolar point. For duskward but nearly due southward IMF conditions, the observations reveal FTE's throughout the northern morning quadrant. These observations are consistent with a near equatorial source for flux transfer events and hence with component merging and not anti-parallel merging. These observations also help understand the energetic ion anisotropies seen in these events.
On the source region of flux transfer events
Advances in Space Research ; 5 , 4 19
1985-01-01
Miscellaneous
No indication
English
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