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Signatures of Interchange Reconnection: STEREO, ACE and Hinode Observations Combined View all abstracts by submitter

Deborah Baker   Submitted: 2009-09-30 07:55

Combining STEREO, ACE and Hinode observations has presented an opportunity to follow a filament eruption and coronal mass ejection (CME) on the 17th of October 2007 from an active region (AR) inside a coronal hole (CH) into the heliosphere. This particular combination of `open' and closed magnetic topologies provides an ideal scenario for interchange reconnection to take place. With Hinode and STEREO data we were able to identify the emergence time and type of structure seen in the in-situ data four days later. On the 21st, ACE observed in-situ the passage of an ICME with `open' magnetic topology. The magnetic field configuration of the source, a mature AR located inside an equatorial CH, has important implications for the solar and interplanetary signatures of the eruption. We interpret the formation of an `anemone' structure of the erupting AR and the passage in-situ of the ICME being disconnected at one leg, as manifested by uni-directional suprathermal electron flux in the ICME, to be a direct result of interchange reconnection between closed loops of the CME originating from the AR and `open' field lines of the surrounding CH.

Authors: D. Baker, A. P. Rouillard, L. van Driel-Gesztelyi, P. Demoulin, L. K. Harra, B. Lavraud, J. A. Davies, A. Opitz, J. G. Luhmann, J. A. Sauvaud, A. B. Galvin
Projects: STEREO

Publication Status: Annales Geophysicae (Accepted)
Last Modified: 2009-09-30 08:09
Go to main E-Print page  Turbulence, Complexity, and Solar Flares  Comparison of Hinode/XRT and RHESSI detection of hot plasma in the non-flaring solar corona  Edit Entry  Download Preprint  Submitter's Homepage Delete Entry 

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