Associated Solar Events

Astronomy and Astrophysics – Astrophysics

Scientific paper

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[7509] Solar Physics, Astrophysics, And Astronomy / Corona, [7519] Solar Physics, Astrophysics, And Astronomy / Flares, [7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields, [7594] Solar Physics, Astrophysics, And Astronomy / Instruments And Techniques

Scientific paper

Flares and coronal mass ejections often occur in clusters. This is not surprising because they are associated with sunspots and sunspot emergence. The literature has had numerous papers on sympathetic flares, stealth coronal mass ejections, and the causal association of flares and CME's. As this is beginning written data is just coming in from SDO on the second of the two M class flares that have occurred today - 3 August 2011. Another M class flare occurred yesterday. The GOES identifications have the flares in three different active regions. The SDO data clearly shows the magnetic structure of the regions are closely connected and form a large associated active region in which destabilizations in one segment tend to create destabilization in the other partners in the association. The events of 2-3 August are not unique. There a numbers on then in the SDO data even though most of the observations have occurred in a deep solar minimum. The formation of such associations has relevance to our understand of the drivers of violent solar events.

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