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We need observations of the suprathermals and SEPs before and during CMEs, to know what material is actually accelerated. Simultaneous observations of the near Sun seed particles with SPP would be very helpful.


Required observations:



SWA Normal Mode, several days, other instruments: MAG, EPD.
  • EPD: All sensors: spectra, composition, fluxes, directional information, together with IS instruments. Solar source identification by RS instruments (full disk imaging). Also coordinated multi-s/c SEP observation campaigns with SPP & other missions.
  • Duration:

    • Several days.

    Other constraints: