Solar Mass Ejection Imager (SMEI) Observations of CMEs in the Heliosphere

DF Webb, DR Mizuno, A Buffington, M P Cooke, Christopher Eyles, CD Fry, LC Gentile, PP Hick, PE Holladay, Timothy Howard, JG Hewitt, Barry Jackson, JC Johnston, TA Kuchar, JB Mozer, S Price, RR Radick, George Simnett, Stephen Tappin

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The Solar Mass Ejection Imager (SMEI) on the Coriolis spacecraft has been obtaining white light images of nearly the full sky every 102 minutes for three years. We present statistical results of analysis of the SMEI observations of coronal mass ejections (CMEs) traveling through the inner heliosphere; 139 CMEs were observed during the first 1.5 years of operations. At least 30 of these CMEs were observed by SMEI to propagate out to 1 AU and beyond and were associated with major geomagnetic storms at Earth. Most of these were observed as frontside halo events by the SOHO LASCO coronagraphs.
Original languageEnglish
JournalGeophysical Research Letters
Publication statusPublished - 1 Jan 2006


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