AbstractEquilibrium models of diffuse interstellar material (ISM) near the Sun show a range of cloud densities, ionization, and temperatures which are consistent with data, although the local ISM must be inhomogeneous over ∼2pc scales. The ISM close to the Sun has properties that are consistent with the sheetlike warm neutral (and partially ionized) gas detected in the Arecibo Millennium Survey. Local interstellar magnetic fields are poorly understood, but data showing weak polarization for nearby stars indicate dust may be trapped in fields or currents in the heliosheath nose region. Implications of this dust capture are widespread, and may impact the interpretation of the cosmic microwave background data. Observations of interstellar H0 inside of the solar system between 1975 and 2000 do not suggest any variation in the properties or structure of local interstellar H0 over distance scales of ∼750AU to within the uncertainties.
Heliospheric implications of structure in the interstellar medium
Advances in Space Research ; 35 , 12 ; 2048-2054
2005-03-02
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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