IBEX observations in the context of a global heliospheric model

Details IBEX observations in the context of a global heliospheric model IBEX observations in the context of a global heliospheric model

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh32a..06h&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SH32A-06

Physics

[2124] Interplanetary Physics / Heliopause And Solar Wind Termination, [2126] Interplanetary Physics / Heliosphere/Interstellar Medium Interactions, [2151] Interplanetary Physics / Neutral Particles, [2152] Interplanetary Physics / Pickup Ions

Scientific paper

Modern models of the interaction between solar wind and the local interstellar medium solve a large coupled system of equations for ions, neutrals and magnetic fields that reproduce much of the gross features observed in spacecraft data. However, unlike the limited in situ observations of the outer heliosphere currently available, first data from the IBEX mission reveals a global picture of the heliopsheric interface. This new data holds models to a much higher level of scrutiny. I will present results from our MHD-plasma/kinetic-neutral global heliospheric model, focussing on the 1 AU neutral atom fluxes the model predicts. These fluxes will be compared with IBEX data. How the model flux levels vary depending on different model assumptions and boundary conditions will also be discussed.

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