Physics
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993soph..146...61z&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 146, no. 1, p. 61-74.
Physics
6
Chromosphere, Magnetic Field Configurations, Solar Magnetic Field, Solar Prominences, H Alpha Line, Solar Activity, Solar Flares
Scientific paper
In this paper, the chromospheric magnetic structures and their relation to the photospheric vector magnetic field in the vicinity of a dark filament in active region 5669 have been demonstrated. Structural variations are shown in chromospheric magnetograms after a solar flare. Filament-like structures in the chromospheric magnetograms occurred after a solar flare. They correspond to the reformation of the chromospheric dark filament, but there is no obvious variation of the photospheric magnetic field. We conclude that (1) some of the obvious changes of the chromospheric magnetic fields occurred after the flare, and (2) a part of these changes is perhaps due to flare brightening in the chromospheric H-beta line. During the reforming process of the dark filament, a part of its chromospheric velocity field shows downward flow, and it later shows upward flow.
Ai Guoxiang
Chen Jimin
Li Wangrong
Zhang Hongqi
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