Deducing composition and incident electron spectra from ground-based auroral optical measurements. I - Theory and model results. II - A study of auroral red line processes. III - Variations in oxygen density

Details Deducing composition and incident electron spectra from ground-based auroral optical measurements. I - Theory and model results. II - A study of auroral red line processes. III - Variations in oxygen density Deducing composition and incident electron spectra from ground-based auroral optical measurements. I - Theory and model results. II - A study of auroral red line processes. III - Variations in oxygen density

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....9413527s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 94, Oct. 1, 1989, p. 13527-13539, 13541-13563. Research supported by the

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Auroral Spectroscopy, Electron Emission, Incident Radiation, Visible Spectrum, Electron Precipitation, Gas Density, Line Spectra, Molecular Ions, Nitrogen Ions, Oxygen Spectra

Scientific paper

This paper considers the feasibility of deducing the characteristics of precipitating electrons by using selected O I (6300 A, 7774 A, and/or 8446 A) and N2(+) (4278 A) emissions observed from the ground. The computational model is described and intensities and selected ratios which are suitable for analyzing such data are presented. Detailed results are presented of a study of the O I 6300 A emission, showing how its intensity varies with composition, time, the low-energy portion of the incident electron spectrum, and the relevant chemical processes. Based on these results, an analysis of ground-based optical data is performed.

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