Physics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsh53b1487m&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #SH53B-1487
Physics
2126 Heliosphere/Interstellar Medium Interactions, 2144 Interstellar Gas, 7837 Neutral Particles (2151)
Scientific paper
By means of numerical modeling, the interaction of the solar wind (assumed constant) with a variety of partially ionized interstellar media (ISM) is investigated. The ISM parameters outside the heliosphere are varied within reasonable bounds around the currently best estimates. The resulting grid of 64 self-consistent plasma/neutral models is investigated for hydrogen wall densities, variations, and for sensitivity of hydrogen wall results to the different ISM parameters. As a prime application, the feedback of the differing models on the HST Ly-alpha absorption spectra analysis is considered. In this mechanism, observed stellar profiles are compared to profiles calculated from assumed stellar profiles, folded with ISM and heliospheric hydrogen wall absorption. This analysis is ongoing, and early results will be shown and discussed.
Mueller Hans-Reinhard
Wood Brian E.
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