Chang Liu et al. 2009 ApJ 703 757 doi:10.1088/0004-637X/703/1/757
SUCCESSIVE SOLAR FLARES AND CORONAL MASS EJECTIONS ON 2005 SEPTEMBER 13 FROM NOAA AR 10808
FREE ISSUEChang Liu1, Jeongwoo Lee2, Marian Karlický3, Debi Prasad Choudhary4, Na Deng4 and Haimin Wang1
Show affiliationsWe present a multiwavelength study of the 2005 September 13 eruption from NOAA AR 10808 that produced total four flares and two fast coronal mass ejections (CMEs) within ~1.5 hr. Our primary attention is paid to the fact that these eruptions occurred in close succession in time, and that all of them were located along an S-shaped magnetic polarity inversion line (PIL) of the active region. In our analysis, (1) the disturbance created by the first flare propagated southward along the PIL to cause a major filament eruption that led to the first CME and the associated second flare underneath. (2) The first CME partially removed the overlying magnetic fields over the northern δ spot to allow the third flare and the second CME. (3) The ribbon separation during the fourth flare would indicate reclosing of the overlying field lines opened by the second CME. It is thus concluded that these series of flares and CMEs are interrelated to each other via magnetic reconnections between the expanding magnetic structure and the nearby magnetic fields. These results complement previous works made on this event with the suggested causal relationship among the successive eruptions.
- Keywords
Sun: coronal mass ejections (CMEs); Sun: flares; Sun: radio radiation; Sun: UV radiation; Sun: X-rays, gamma rays
- Dates
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Issue 1 (2009 September 20)
Received 2008 October 8, accepted for publication 2009 August 6
Published 2009 September 1
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Successive Solar Flares and Coronal Mass Ejections on 2005 September 13 from NOAA AR 10808
Chang Liu et al. 2009 ApJ 703 757
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