On the magnetic topology of October/November 2003 events

We examine the topology of several magnetic ejecta events during October–November 2003. The Grad‐Shafranov reconstruction results from ACE magnetic and plasma data show magnetic flux rope configurations. Some are large scale, with sizes of tenths of an AU, typical of magnetic clouds. Some are of siz...

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Published in:Journal of Geophysical Research. A. Space Physics 2005-09, Vol.110 (A9), p.n/a
Main Authors: Hu, Qiang, Smith, Charles W., Ness, Norman F., Skoug, Ruth M.
Format: Article
Language:English
Subjects:
ejecta
Grad-Shafranov equation
ICMEs
magnetic clouds
magnetic flux rope
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description We examine the topology of several magnetic ejecta events during October–November 2003. The Grad‐Shafranov reconstruction results from ACE magnetic and plasma data show magnetic flux rope configurations. Some are large scale, with sizes of tenths of an AU, typical of magnetic clouds. Some are of sizes hundredths of an AU. Their characteristic parameters are reported. Magnetic field data from Wind spacecraft are utilized to compare the prediction from numerical modeling with the actual measurement. Poor to good agreement is achieved. The deviations are discussed, particularly in the context of extremely high‐speed solar wind flows.
doi_str_mv 10.1029/2004JA010886
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subjects ejecta
Grad-Shafranov equation
ICMEs
magnetic clouds
magnetic flux rope
title On the magnetic topology of October/November 2003 events
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