SH028-0005
Tracking CME substructure evolution through the solar wind

Friday, 11 December 2020
Poster
Sarah E Gibson, National Center for Atmospheric Research, Boulder, CO, United States, Craig DeForest, Southwest Research Institute, Boulder, CO, United States, Curt A de Koning, NOAA Boulder, SWPC, Boulder, CO, United States, Yuhong Fan, NCAR, Boulder, CO, United States, Anna V Malanushenko, NCAR, High Altitude Observatory (HAO), Boulder, CO, United States, Viacheslav G Merkin, The Johns Hopkins University, Laurel, MD, United States, Elena Provornikova, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, Barbara J Thompson, NASA/GSFC, Greenbelt, MD, United States and David F Webb, Boston College, ISR, Chestnut Hill, MA, United States
Abstract:
Future coronagraphs and heliospheric imagers, in particular those to be launched on the PUNCH mission, will have the capability to track the evolution of CME substructures as the CME moves through and interacts with the solar wind. We present analysis using polarization data obtained from forward modeling simulations of CMEs in the corona and inner heliosphere. We use these data to track the evolution of substructures in three dimensions, and consider the diagnostic potential of internal substructure vs structure at the front of the CME. In particular, we develop methods for extracting information about chirality of CME magnetic flux ropes from polarization data.
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