Flaring Solar Hale Sector Boundaries
Leif Svalgaard, Iain G. Hannah
TL;DR
This paper investigates the concentration of magnetic fields and flare activity near the Hale boundary, where sector polarity changes match sunspot polarities, revealing patterns in solar magnetic phenomena.
Contribution
It identifies the Hale boundary as a key region for magnetic activity and flare occurrence, providing new insights into solar magnetic field organization.
Findings
Magnetic fields and flares are concentrated near the Hale boundary.
The Hale boundary's polarity change matches that of active region sunspots.
This correlation suggests a link between sector boundaries and solar magnetic activity.
Abstract
Magnetic fields and the occurrence of flares and microflares are strongly concentrated near that portion (the Hale boundary) in each solar hemisphere where the change in magnetic sector polarity is the same as that between leading and following sunspot polarities in active regions.
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