Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh32a0736k&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #SH32A-0736
Physics
2164 Solar Wind Plasma, 2780 Solar Wind Interactions With Unmagnetized Bodies, 7549 Ultraviolet Emissions, 7554 X Rays, Gamma Rays, And Neutrinos
Scientific paper
Spectra of the heliospheric X-ray and extreme ultraviolet (EUV) emission induced by highly charged solar wind ions are investigated. Intensities of various ion emission lines are calculated taking into account selective populations of the excited states of heavy solar wind ions in charge transfer collisions with hydrogen and helium atoms of the neutral interstellar gas. Photon cascading spectra of excited solar wind ions are computed for different compositions of the solar wind. The brightest spectral lines of the X-ray and EUV heliospheric emission are predicted for the fast and slow components of the solar wind. Polarization of these lines is analyzed. The contribution of the solar wind ion emission to the observed soft X-ray background is discussed. The time variability and the anisotropy of the heliospheric X-ray and EUV radiation are investigated.
Dalgarno Alexander
Kharchenko Vasili
Rigazio Matthew
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