Multipoint Observations of ^3He-rich Solar Energetic Particle Events using STEREO and ACE
Multipoint observations of He-rich solar energetic particle (SEP) events using instruments on the ACE and STEREO have been made over the period January 2007 to May 2009, during which the separation between the two STEREO spacecraft in heliolongitude increased from ~0.5° to 95°. Relatively quiet conditions on the Sun allowed identification of probable source regions. In one event (4 November 2008), ions were detected at STEREOB and ACE and electrons at all three spacecraft. The longitudinal distributions of energetic particles from ^3He-rich SEP events are discussed and compared with results from previous studies.
Additional InformationCopyright University of Łódź. Department of High Energy Astrophysics, 2010. This work was supported by NASA at Caltech (under grant NNX8AI11G and UC Berkeley subcontract SA2715-26309 to NASA contract NAS5-03131), JPL, and GSFC, APL, SwRI, and Lockheed-Martin
Published - 2009-14.pdf