Composition measurements as tracers for interacting CMEs

Details Composition measurements as tracers for interacting CMEs Composition measurements as tracers for interacting CMEs

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh11d..03z&link_type=abstract

American Geophysical Union, Fall Meeting 2001, abstract #SH11D-03

Mathematics

Logic

2164 Solar Wind Plasma, 7509 Corona, 7513 Coronal Mass Ejections

Scientific paper

Unusually high charge compositions, for Fe and O, have been established to be a very reliable tracer for CME plasma. These charge states indicate the presence of source material with temperatures in excess of 3 MK that become part of the interplanetary CMEs. Some topologically simple CMEs have relatively constant composition throughout the ejecta. However, in many cases, we find abrupt composition changes within the CME. These composition changes can be used to study the heterogeneous nature of many CMEs at Earth. We will use a statistical study of coronal mass ejections to study composition and structure of these composite CMEs. We use publicly available solar wind and remote solar data to associate these composite CMEs with interacting plasma structures in the inner corona.

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