Simulated CMEs and Predictions for STEREO

Details Simulated CMEs and Predictions for STEREO Simulated CMEs and Predictions for STEREO

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agusmsh41a..06m&link_type=abstract

American Geophysical Union, Spring Meeting 2007, abstract #SH41A-06

Physics

7513 Coronal Mass Ejections (2101), 7519 Flares, 7531 Prominence Eruptions, 7851 Shock Waves (4455), 7959 Models

Scientific paper

We compare results of our global MHD simulations of CMEs propagating from Sun-to-Earth to observations made with STEREO. We model a number of events of varying degree of complexity, and model the observations that are made by the SECCHI coronagraph suite and in situ observations by IMPACT and PLASTIC. We make synthetic Thomson-scattered white light images from the simulations as they would appear to the COR1, COR2, and wide-angle coronagraphs HI1 and HI2. We identify shock structures in the coronagraph images and follow their evolution to Earth orbit. At large elongation, we find complex time evolution of the white- light images as a result of three-dimensional structures encountering large variations in scattering efficiency as they pass through the Thomson sphere. We then compare the modeled ICME plasma structures with observations from PLASTIC. We also model solar energetic particles and compare them with IMPACT observations.

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