Physics – Plasma Physics
Scientific paper
Nov 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30ussc7c&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 21, pp. SSC 7-1, CiteID 2107, DOI 10.1029/2003GL018332
Physics
Plasma Physics
2
Solar Physics, Astrophysics, And Astronomy: Coronal Mass Ejections, And Astronomy: Solar Activity Cycle (2162), And Astronomy: Magnetic Fields, And Astronomy: Flares, Space Plasma Physics: Magnetic Reconnection
Scientific paper
We report characteristics of quiescent filament eruptions that were not associated with coronal mass ejections (CMEs). We examined 12 quiescent filament eruptions, each of which was located far from disk center (>=0.7 RSun) in diffuse remnant magnetic fields of decayed active regions, was well observed in full-disk movies in Hα and Fe XII, and had good coronagraph coverage. Of the 12 events, 9 were associated with CMEs and 3 were not. Even though the two kinds of eruption were indistinguishable in their magnetic setting and in the eruptive motion of the filament in the Hα movies, each of the CME-producing eruptions produced a two-ribbon flare in Hα and a coronal arcade and/or two-ribbon flare in Fe XII, and each of the non-CME-producing eruptions did not. From this result, and the appearance of the eruptive motion in the Fe XII movies, we conclude that the non-CME-associated filament eruptions are confined eruptions like the confined filament eruptions in active regions.
Choudhary Debi Prasad
Moore Ronald L.
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