Physics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsh33a0400s&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #SH33A-0400
Physics
2101 Coronal Mass Ejections (7513), 2126 Heliosphere/Interstellar Medium Interactions, 7513 Coronal Mass Ejections (2101)
Scientific paper
On 3 March, 2005, the Solar Mass Ejection Imager (SMEI) observed a transient in interplanetary space. It was within the field of view (FOV) of SMEI for 22 hours, during which time it moved across an elongation range of 30 to 45 degrees (~0.5 to 0.7 AU), and had an angular width of at least 40 degrees. When the elongation-time (height-time) profile trend is projected back to the Sun, we find excellent correlation with two Coronal Mass Ejections (CMEs) which were observed by SOHO/LASCO in the same region of the sky and around the onset time of the SMEI transient. Both of these were small, faint, slow CMEs with one accelerating within the FOV of LASCO. With such relatively insignificant qualitites it is not expected that such CMEs could evolve into any significant interplanetary transient such as that observed by SMEI. We present the first results of a direct observation connecting a significant interplanetary transient with an insignificant source CME at the Sun, and offer physical suggestions for its evolution.
Howard Tim A.
Simnett George M.
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