Physics
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agusm.p44a..03k&link_type=abstract
American Geophysical Union, Spring Meeting 2005, abstract #P44A-03
Physics
6220 Jupiter
Scientific paper
X-ray and EUV emission spectra of energetic sulfur and oxygen ions precipitating into the Jovian atmosphere are investigated. The charge distributions of Oq+ and Sq+ ions are computed for different initial energies of the solar wind and magnetospheric ions with updated cross sections for stripping, electron capture, and target ionization processes. Results of Monte Carlo simulations of the energy-charge relaxation of precipitating ions are compared with the equilibrium charge model. Spectra of emitted X-ray and EUV photons are obtained for the sulfur and oxygen ion fluxes with different initial energies, and photon yield functions are computed for the brightest spectral lines. Theoretical spectra are used to determine the initial energy distributions of precipitating ions from the X-ray spectra detected by the Chandra and XMM-Newton X-ray telescopes. Spectral contributions of the magnetospheric and solar wind ions are compared.
Dalgarno Alexander
Kharchenko Vasili
Schultz David R.
Stancil Phillip C.
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