Toward calculating heliospheric filtration of interstellar oxygen on its way to IBEX

Details Toward calculating heliospheric filtration of interstellar oxygen on its way to IBEX Toward calculating heliospheric filtration of interstellar oxygen on its way to IBEX

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh32a..03m&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SH32A-03

Physics

Plasma Physics

[2124] Interplanetary Physics / Heliopause And Solar Wind Termination, [2126] Interplanetary Physics / Heliosphere/Interstellar Medium Interactions, [2151] Interplanetary Physics / Neutral Particles, [7833] Space Plasma Physics / Mathematical And Numerical Techniques

Scientific paper

Direct, primary interstellar oxygen (O) has been detected by IBEX. We use output from a realistic numerical hydrogen+proton global heliosphere model run (3D MHD/kinetic), together with novel neutral oxygen trajectory calculations, to investigate: From where in the ISM come those neutral O that make it to 1 AU? To 1 AU in the ecliptic? Into the IBEX detectors? What filtration due to charge exchange losses with plasma protons and due to photoionization suffer those neutral O sightlines that make it into the IBEX detector? This information is important to infer the ISM neutral oxygen density from fluxes measured by IBEX.

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