NASA NTRS · 19740006350
Coronal magnetic structure at a solar sector boundary
Abstract
The persistent large-scale coronal magnetic structure associated with a sector boundary appears to consist of a magnetic arcade loop structure extending from one solar polar region to the other in approximately the North-South direction. This structure was inferred from computer coronal magnetic field maps for days on which a stable magnetic sector boundary was near central meridian, based on an interplanetary sector boundary observed to recur during much of 1968 and 1969.
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Wilcox, J. M., Svalgaard, L.. 1973-11-01. Coronal magnetic structure at a solar sector boundary. https://ntrs.nasa.gov/citations/19740006350
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