Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh12b0757r&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SH12B-0757
Astronomy and Astrophysics
Astrophysics
7509 Corona, 7513 Coronal Mass Ejections, 7835 Magnetic Reconnection
Scientific paper
Coronal mass ejections (CMEs) are a well known phenomenon resulting in the transport of closed magnetic flux into the heliosphere. It has been noted that, unless some form of reconnection occurs, the cumulative effect of the addition of magnetic flux into the heliosphere will result in a ``magnetic flux catastrophe." Evidence of reconnection has been seen in solar wind data in the form of heat flux dropouts and the absence of bidirectional electrons in CME events. We present results from a model describing the reconnection of CME field lines with open field lines on the sun. Our model results are compared with data from the ACE spacecraft. We utilize enhanced O+6/O+7 data as a tool to investigate the magnetic reconnection of CME ejecta. We make the assumption that all appearances of enhanced O+6/O+7 indicate CME ejecta. This allows us to statistically look at the relationship between CME events and bidirectional electrons. Our model predictions show good agreement with these data.
Fisk Len A.
Reinard Alysha
Skoug Ruth M.
Zurbuchen Thomas H.
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