AAS 201st Meeting, January, 2003
Session 83. Solar Activity
Poster, Wednesday, January 8, 2003, 9:20am-6:30pm, Exhibit Hall AB

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[83.03] Coronal Mass Ejections Identified in Interplanetary Scintillation (IPS) Tomography and in LASCO Coronagraph Images

S.A. Rappoport, P.P. Hick, B.V. Jackson (CASS/UCSD)

Coronal mass ejections (CMEs), including halo CMEs, can be observed in interplanetary scintillation (IPS) data. To optimize the information from radio source observations, we model them using a time-dependent three-dimensional tomography program. We depict this heliospheric model as a series of "sky map" images that cover elongations extending from 10 to 80 degrees. These IPS maps show CMEs observed earlier in the LASCO coronagraph images with approximately the same shapes and extents that were seen closer to the Sun. Here, a series of these CME events, including halo CMEs, are mapped as they move outward to distances as great as 1 AU.

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Bulletin of the American Astronomical Society, 34, #4
© 2002. The American Astronomical Soceity.