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Mazur et al. 1996
Mazur, J.E., Mason, G.M. and von Rosenvinge, T.T. (1996). Fe-rich solar energetic particle events during solar minimum. Geophysical Research Letters 23: doi: 10.1029/96GL00046. issn: 0094-8276.

During the first 10 months of WIND observations, we have detected several time periods with energetic particle abundances that are characteristic of impulsive flares: enrichments in the 3He isotope, and in heavy ions compared to the corona. Using the Supra-Thermal through Energetic Particle sensor on WIND, we find that at ~100 keV/nucleon these events typically arrive in sequences of multiple events when the spacecraft is magnetically connected to an active region at western solar longitudes, preceding the arrival of a high speed solar wind stream. During recurrent high speed solar wind streams with their associated flux enhancements Fe-rich events are seldom seen: almost all of the events occur on days with solar wind speeds <450 km/sec. The impulsive events we observe arrive at a rate of ~30 events/year at solar minimum for energies ≥120 keV/nucleon. This rate is comparable to upper limits placed on the observed rate of higher energy 3He-rich events in the last solar minimum with measurements from ISEE-3. ¿ American Geophysical Union 1996

BACKGROUND DATA FILES

Abstract

Keywords
Interplanetary Physics, Energetic particles, heliospheric
Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/
Publisher
American Geophysical Union
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