Recurrent filament eruptions and associated CMEs. Issue Volume 8:Issue S300(2013) (6th January 2014)

• Record Type: Journal Article
• Authors: Schmieder, Brigitte; Cremades, Hebe; Mandrini, Cristina; Démoulin, Pascal; Guo, Yang
• Is Part Of: Proceedings of the International Astronomical Union. Volume 8:Issue S300(2013)
• Page Start: 489
• Page End: 490
• Publication Date: 2014-01-06
• Subjects: Sun: active region, -- Sun:magnetic field, -- Sun: CME, -- Sun: filament; Astronomy -- Congresses; Astronomy -- Periodicals; 520
• DOI: 10.1017/S174392131301168X
• Languages: English
• ISSNs: 1743-9213

Abstract

Abstract: We investigate the violent events in the cluster of two active regions (ARs), NOAA numbers 11121 and 11123, observed on 11 November 2010 by the Solar Dynamics Observatory (SDO). Within one day the magnetic field intensity increased by 70% with the emergence of new groups of bipoles in AR 11123, where three filaments are seen along the complex inversion line. The destabilization of the filaments led to flares and CMEs. The CMEs around 08:24 UT and 17:00 UT are directly related to the partial eruption of one filament in the new AR, as shown by a topology computation and analysis. The other CMEs on this day are due to either other ARs or to the destabilization of the global magnetic configuration of the two ARs. This conclusion can be only reached by using the three eyes of SOHO, STEREO and SDO.