Energy release from a large-scale magnetic null point in the corona?

Details Energy release from a large-scale magnetic null point in the corona? Energy release from a large-scale magnetic null point in the corona?

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.506..423a&link_type=abstract

In: Solar variability: from core to outer frontiers. The 10th European Solar Physics Meeting, 9 - 14 September 2002, Prague, Cze

Physics

Solar Corona: Heating, Magnetic Fields

Scientific paper

We observed how a flare disturbes a system of interconnecting loops between neighboring active regions. The disturbed loops brighten in SOHO/EIT images of the coronal magnetoplasma. They are part of a large scale structure embracing a weak field range in the photospheric and coronal magnetic field. Near the weak field site but away from active regions and from the EIT-detected loopl heating, an initially narrowband nonthermal meter wave radio source is observed by the AIP spectrometer and the Nançay radio heliograph. The formation of this source and the EIT loop brightening can be consequences of current sheet activation and excessive coronal heating at a disturbed magnetic null point.

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