Analysis of Voyager-1 Observed High-Energy Particle Flux Using MHD Simulation of the Outer Heliosphere

Details Analysis of Voyager-1 Observed High-Energy Particle Flux Using MHD Simulation of the Outer Heliosphere Analysis of Voyager-1 Observed High-Energy Particle Flux Using MHD Simulation of the Outer Heliosphere

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1366...60w&link_type=abstract

PARTIALLY IONIZED PLASMAS THROUGHOUT THE COSMOS-PROCEEDINGS OF THE 2010 HUNTSVILLE WORKSHOP. AIP Conference Proceedings, Volume

Computer Science

Solar Wind, Plasma, Solar Pulsations, Plasma Sheaths, Particle Emission, Solar Wind, Magnetohydrodynamics And Plasmas, Helioseismology, Pulsations, And Shock Waves, Plasma Sheaths

Scientific paper

In situ observations of the outer heliosphere by the Voyager 1 (V1) and Voyager 2 (V2) spacecrafts show highly variable behavior of the solar wind plasma in deep interplanetary space and the heliosheath (HS). We develop a dynamic and realistic model that satisfies both V1 and V2 observed crossing times and locations of the termination shock (TS) simultaneously, by performing a three-dimensional (3D) MHD simulation that includes the effects of neutral particles (Washimi et al. (2010)). Daily values of solar-wind speed and density observed by V2 were used so that short-term dynamical effects are reproduced in this simulation. Here, we compare the V1 observed high-energy charged particle flux data in the HS (Webber et al. (2009)) with our MHD simulation results to identify the flux increase/decrease associated with the March 2006 interplanetary shock events.

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