Questions Concerning the Disconnection and Eruption of Filaments and CMEs What is the role of prominence disconnection in CMEs? What causes/prevents eruptions?

Questions Concerning the Disconnection and Eruption of Filaments and CMEs

What is the role of prominence disconnection in CMEs?What causes/prevents eruptions?What happens when a barb disconnects?Where do CMEs disconnect?

Chifor et al. 2006

What is the role of prominence disconnection in CMEs?

Can activity at filament footpoints be the cause of CMEs?

Footpoint Disconnection

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Nagashima et al 2007

What prevents eruption?

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1997 February 23 Dere et al 1999

What is happening when only one footpoint apparently remains attached?

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What Happens When a Footpoint Disconnects?

Would the disconnection event be affected by the magnetic structure of the

barb?

Kucera et al 1999 DeVore & Antiochos 2000

Where do CME disconnect?

Bidirectional Flows

Larson et al 1997

Where and how do CMEs disconnect?

Are prominence disconnections just small & localized?

Failed or at least postponed eruptions

Gopalswamy et al 2004