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München 2019 – wissenschaftliches Programm

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EP: Fachverband Extraterrestrische Physik

EP 9: Poster

EP 9.17: Poster

Donnerstag, 21. März 2019, 16:30–19:00, Durchgangshalle

SUPRATHERMAL PROTONS IN THE INNER HELIOSHEATH: A POSSIBLE MECHANISM FOR THE INTERSTELLAR BOUNDARY EXPLORERIBBON — •Adama Sylla and PD Dr. Horst Fichtner — Theoretische Physik IV

The basis for the modelling of so-called energetic neutral atoms (ENAs) observed with the Interstellar Boundary Explorer (IBEX) is the phase-space transport of suprathermal protons in the inner heliosheath. The modelling of all-sky maps of ENA fluxes at different energies will provide insight into the large-scale structure of the outer heliosphere. Numerical solutions of the transport equation of suprathermal pick-up ions (PUIa) will be presented. These solutions allow to compute the production rates along a given line of sight and, in turn, the differential ENA flux from a given direction. This way synthetic all-sky ENA flux maps will be computed for different ENA energies.

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