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Filament Activity Associated With an Umbral Flare

Published online by Cambridge University Press:  12 April 2016

Wei Li
Affiliation:
Beijing Astronomical Observatory, Chinese Academy of Sciences Beijing 100080, China
Jingxiu Wang
Affiliation:
Beijing Astronomical Observatory, Chinese Academy of Sciences Beijing 100080, China

Abstract

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An umbral flare in NOAA 6223 was observed at Huairou Solar Observing Station of Beijing Astronomical Observatory. Vigorous filament activity took place in association with this umbral flare. Several filaments formed and/or disappeared, leaving the magnetic neutral lines pointing to or rooted in the P spot in which the umbral flare occurred. We describe the observed configuration and evolution of the vector magnetic fields in the photosphere, and Doppler velocity patterns in the chromosphere during the course of the umbral flare and related filament activity.

Type
Birth and Death of Filaments
Copyright
Copyright © Astronomical Society of the Pacific 1998

References

McIntosh, P.S. 1972, Rev. Geophys. Space Phys., 10, 837 Google Scholar
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