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EP: Fachverband Extraterrestrische Physik
EP 9: Sun III and Heliophysics I
EP 9.1: Hauptvortrag
Mittwoch, 1. April 2009, 13:00–13:30, Zahnklinik
Energetic Particles at 1 AU - STEREO Observations — •Robert F. Wimmer-Schweingruber1, Bernd Heber1, Reinhold Müller-Mellin1, Stephan Böttcher1, Raul Gomez-Herrero1, Janet G. Luhmann2, Robert P Lin2, Glenn M. Mason3, Richard A. Mewaldt4, Tycho T. von Rosenvinge5, Christopher T. Russell6, Mario Acuna5, and Antoinette B. Galvin7 — 1Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel — 2Space Sciences Laboratory, University of California, Berkeley, USA — 3Applied Physics Laboratory, John Hopkins Uniersity, Laurel, Maryland, USA — 4Space Research Laboratory, California Institute of Technology, Pasadena, USA — 5Goddard Space Flight Center, Greenbelt, Maryland USA — 6University of California, Los Angeles, USA — 7University of New Hampshire, Durham, USA
The dual-spacecraft mission STEREO carries with it a full complement of instruments to detect heliospheric particles from solar wind up to 100 MeV/nuc. The low solar activity and the relatively simple heliospheric structure in 2007/2008 has allowed detailed studies of corotating interaction regions (CIRs) and related energetic particle increases. The quiet Sun also allowed studies of an other source of low-energy particles observed up to 1900 RE upstream from the Earth. Solar eruptions and CME-driven shocks accelerated particles which in turn were also observed by STEREO.
This talk will summarize STEREO observations of energetic particles in the years 2007 and 2008 and give a brief outlook at expected future measurements.