Filament eruption, flare, coronal dimming and associated partial halo CME on 2001 September 17

Details Filament eruption, flare, coronal dimming and associated partial halo CME on 2001 September 17 Filament eruption, flare, coronal dimming and associated partial halo CME on 2001 September 17

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006newa...11..612j&link_type=abstract

New Astronomy, Volume 11, Issue 8, p. 612-618.

Astronomy and Astrophysics

Astronomy

7

96.60.Q-, 96.60.Qf, 96.60.Qe, 96.60.Ph

Scientific paper

Using Hα, EUV, photospheric magnetic field and white-light coronagraph data, we study the eruption of an active-region Hα filament and associated partial-halo type coronal mass ejection (CME) occurring in NOAA AR 9616 on 2001 September 17. Accompanied by an M1.5 flare, the small active-region filament quickly erupted, a quiet-sun region outside the active region intensively darkened so a remote coronal dimming region was formed, and then a long Hα surge developed from the eruption site. During the eruption, remote EUV brightening appeared along the dimming boundary, leaving behind huge EUV loops connecting the eruption source region and the remote EUV brightening. Finally, as a definite indication of the start of CME, a large-scale dark rim appeared to span the eruption region. These observations indicate that a much larger-scale rearrangement of the coronal magnetic fields, eventually represented by the occurrence of the CME, was involved in the eruption of the filament with small spatial scale. The relationship between the filament eruption, flare and coronal dimming is also discussed.

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