Heidelberg 2006 – scientific programme

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EP: Extraterrestrische Physik

EP 18: Sonne: Energetische Teilchen, Sonnenwind und CMEs

EP 18.6: Fachvortrag

Thursday, March 16, 2006, 12:30–12:45, B

ICME detections with ESA’s Solar Orbiter and NASA’s IHS (Inner Heliospheric Sentinels) — •Roland Rodde¹, Richard Marsden², Adam Szabo³, and Robert F. Wimmer-Schweingruber¹ — ¹Institut für Experimentelle und Angewandte Physik, University of Kiel, D-24098 Kiel, Germany — ²European Space Agency, ESTEC, Netherlands — ³Goddard Space Flight Center, Laboratory for Solar and Space Physics, Greenbelt, MD 20771 United States

Solar Orbiter and IHS (Inner Heliospheric Sentinels) will explore the inner heliosphere between sun and earth from 2015 onwards. These missions will provide unique capabilities for multi in-situ measurements of magnetic fields and particles at small distances from the sun. One scientific goal common to both missions is to improve our understanding of ICME propagation and evolution. Numerical simulations were carried out to determine the ratio of detected ICMEs relative to released CMEs for different combinations of spacecraft. A main aspect is the difference in detection efficiencies between a three and four spacecraft configuration for the IHS.