Interplanetary Sector Structure and the Heliomagnetic Equator.
Rept. of Jan 71-Jun 72,
AEROSPACE CORP EL SEGUNDO CALIF LAB OPERATIONS
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The magnetohydrodynamics of solar-wind flow lead logically to the formation of one warped annular neutral surface that extends from about twenty solar radii to the boundary of the heliosphere. The most likely asymptotic configuration for this neutral sheet intersects the heliomagnetic equatorial plane along four corotating arcs. The observer sees a reversal of magnetic polarity on each crossing of the neutral surface, and so interprets each reversal as the crossing of a sector boundary. Author