Physics
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsh22d..08r&link_type=abstract
American Geophysical Union, Spring Meeting 2002, abstract #SH22D-08
Physics
2111 Ejecta, Driver Gases, And Magnetic Clouds, 2134 Interplanetary Magnetic Fields, 2164 Solar Wind Plasma
Scientific paper
Interplanetary coronal mass ejections (ICMEs), the interplanetary counterparts of coronal mass ejections at the Sun, are often characterized by a number of signatures including abnormally low proton temperatures, bi-directional suprathermal electron strahls, unusual (typically high) helium abundances, energetic ion intensity variations and bi-directional flows, strong magnetic fields, low ion β and the field rotations characteristic of flux ropes. Plasma compositional signatures, such as enhanced iron charge states, are also frequently found within ICMEs. The various signatures typically do not occur at exactly the same times, may occur intermittently, and are not necessarily present in all ICMEs. Here we examine the relationship between a variety of ICME signatures in a selection of recent ICMEs observed by the ACE and IMP 8 spacecraft. Our study includes information about the solar origins of the ICMEs.
Cane Hilary V.
Gosling Jack T.
Richardson Ian G.
Zurbuchen Thomas H.
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