Three-dimensional structure of compound interplanetary transients associated with 27-28 May 2003 coronal mass ejections

Details Three-dimensional structure of compound interplanetary transients associated with 27-28 May 2003 coronal mass ejections Three-dimensional structure of compound interplanetary transients associated with 27-28 May 2003 coronal mass ejections

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsh11a..01t&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #SH11A-01

Other

7513 Coronal Mass Ejections, 2111 Ejecta, Driver Gases, And Magnetic Clouds, 2139 Interplanetary Shocks, 2164 Solar Wind Plasma

Scientific paper

We have investigated the global features of interplanetary (IP) disturbances associated with 27-28 May coronal mass ejection (CME) events using interplanetary scintillation (IPS) measurements of the Solar-Terrestrial Environment Laboratory (STEL). Our IPS data taken between 2003 May 28 22h UT and May 29 7h UT showed a set of complex feature of IP disturbances, and most of them are regarded as IP consequences of two full-halo CMEs which occurred in association with the X1.3/2B flare on May 27 23:07 UT and the X3.3 flare on May 28 00:27 UT. Some components of the IP disturbances were discriminated from the IPS data by making the model fitting analysis iteratively. One of the components was an Earth-directed one, which appears to correspond to the IP shock observed by ACE on May 29 18:30 UT. Other components were obliquely propagating ones, which either preceded or followed the Earth-directed one. The global features deduced here are generally in agreement with heliospheric reconstructions made from Solar Mass Ejection Imager (SMEI) measurements.

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