Abstract
This paper provides a brief summary on the current knowledge of the properties of the Circum-Heliospheric Interstellar Medium (CHISM). It discusses what can be learnt on the parameters of CHISM’s components from analysis of measurements performed inside the heliosphere. The analysis is based on the kinetic-gasdynamic models of the solar wind/interstellar medium interaction. We focus the analysis on three types of diagnostics: 1) interstellar H atom number density at the heliospheric termination shock inferred from pickup ion measurements, 2) the location and time of the Voyager 1 and 2 termination shock crossings, 3) the deflection of the interstellar H atom flow inside the heliosphere as been measured by SOHO/SWAN. From these results estimations of the unknown local interstellar parameters are deduced. The parameters are the number densities of interstellar H+ and H and the magnitude and direction of the interstellar magnetic field in the vicinity of the solar system.
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Izmodenov, V.V. Local Interstellar Parameters as They Are Inferred from Analysis of Observations Inside the Heliosphere. Space Sci Rev 143, 139–150 (2009). https://doi.org/10.1007/s11214-008-9444-y
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DOI: https://doi.org/10.1007/s11214-008-9444-y