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A&A 386, 11061122 (2002) DOI: 10.1051/0004-6361:20020179

Summary: A&A 386, 11061122 (2002)
DOI: 10.1051/0004-6361:20020179
c ESO 2002
The magnetic nature of wide EUV filament channels
and their role in the mass loading of CMEs
G. Aulanier1 and B. Schmieder1,2
Observatoire de Paris, LESIA, 92195 Meudon Cedex, France
e-mail: brigitte.schmieder@obspm.fr
University of Oslo, ITA, PO Box 1029, Blindern, 0315 Oslo, Norway
Received 26 November 2001 / Accepted 23 January 2002
Abstract. Previous works have shown that dark and wide EUV filament channels observed at < 912 A are due to
absorption of EUV lines in cool plasma condensations that are not observed in H. We extend this interpretation
and we address the issue of the possible injection of their mass into CMEs, through the magneto-hydrostatic
modeling in 3D of one filament observed both in H and in EUV. The model parameters are fixed so as to match
the H observations only. Further comparison of the model with the EUV observations reveal the magnetic nature


Source: Aulanier, Guillaume - Observatoire de Paris


Collections: Physics