Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002sf2a.conf..109m&link_type=abstract
SF2A-2002: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 24-29, 2002, Eds.: F. Combes and D. Barret,
Astronomy and Astrophysics
Astrophysics
Scientific paper
We present new observations of filaments during quiescent and eruptive phases, performed with the Nancay Radioheliograph. Brightness depressions are described for the first time and are related to the coronal cavity that surrounds the filament. Eruptive events, with minor energy release signatures, reveal the coronal restructuring on the disk following the filament eruption; it is shown that the motion of the radio depression on the disk and the CME cavity in the field of view of the coronagraph can be fitted by a single function, suggesting that they belong to the same magnetic structure.
Lantos Pierre
Marqué Ch.
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