SC-A CIR Event 1 March 2013 CME Event 17 March 2013 SC-A SC-B Enhancement of Inner Zone Electron Fluxes Both events caused electron enhancements for <200.

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Presentation transcript:

SC-A CIR Event 1 March 2013 CME Event 17 March 2013 SC-A SC-B Enhancement of Inner Zone Electron Fluxes Both events caused electron enhancements for <200 keV What is the mechanism? Will CIRs always have such penetration? These are background corrected No electrons >800 keV !

Enhancement of Slot Region Electron Fluxes CIR Event 1 March 2013 CME Event 17 March 2013 Electrons enhanced at all L* for ≤300 keV and enhanced at higher L* for >300 keV No electrons > 1 MeV ! Electrons enhanced for <200 keV at lowest L* and up to 400 keV at higher L*

Will Use CIR Observations From CY24 Declining Phase to Characterize Low L* Differences Between CIR and CME Responses We have observed CME related enhancements of electrons in the slot region and deep in the inner zone in multiple events previously We have an observation of such enhancements by a CIR Are such enhancements common for CIRs? This we can learn as we move towards solar minimum where CIRs will be the primary driver of radiation belt enhancements –Will we find a fundamental difference between CIR and CME related electron enhancements at these lower L* regions? –Are these enhancements “injections” or other?