Spectral line profiles in a planetary corona - A collisional model

Details Spectral line profiles in a planetary corona - A collisional model Spectral line profiles in a planetary corona - A collisional model

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jgr....83.2157p&link_type=abstract

Journal of Geophysical Research, vol. 83, May 1, 1978, p. 2157-2161. NSF-NASA-supported research.

Statistics

Computation

Collisional Plasmas, Mathematical Models, Particle Interactions, Planetary Atmospheres, Planetary Radiation, Astronomical Models, Atmospheric Composition, Line Spectra, Plasma Composition, Coronas, Planets, Spectrum, Satellites, Orbits, Atmosphere, Collisions, Particles, Radiation, Pressure, Hydrogen

Scientific paper

An attempt is made to report on an extension of the theory of spectral line profiles for a planetary corona to include the effects of H-H(+) resonant charge exchange in which satellite particles are omitted. A computational procedure is outlined, three classes of particle orbits are distinguished (ballistic, satellite, escaping), and several complications are considered. A collisional profile is obtained, and appropriate collisionless and collisional curves are compared. It is concluded that good profiles could disclose the presence of a nonthermal hydrogen component. Effects of omitting satellite particles are briefly discussed.

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