Culhane, JL and Glover, A and Green, LM and Harra, LK and Matthews, SA and Hori, K (2001) Magnetic field configurations and the likelihood of coronal mass ejections. In: Battrick, B and SawayaLacoste, H, (eds.) SOLAR ENCOUNTER. (pp. 193 - 197). ESA PUBLICATIONS DIVISION C/O ESTEC
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Abstract
Recent interest has focussed on S-shaped or reverse S-shaped magnetic field configurations and their possible relationship to CMEs. We have observed a large sigmoidal structure that formed on 8-May-00 between the remnants of two previously existing active regions. Studies of this structure are discussed and the role of CMEs in removing helicity is examined. In contrast. the observation of a flare of class X1.2 on 30-Sep-00 that shows no evidence of related CME or other eruptive activity is described. The relevance of the pre-flare magnetic field configuration as an inhibitor of eruption is discussed.
| Type: | Proceedings paper |
|---|---|
| Title: | Magnetic field configurations and the likelihood of coronal mass ejections |
| Event: | 1st Solar Orbiter Workshop |
| Location: | PUERTO LA CRUZ, SPAIN |
| Dates: | 2001-05-14 - 2001-05-18 |
| ISBN: | 92-9092-803-4 |
| Keywords: | SOLAR-ACTIVITY, TELESCOPE, MISSION |
| UCL classification: | UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Space and Climate Physics |
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