Balmer profiles in the geocorona and interstellar space. I - Asymmetries due to fine structure

Details Balmer profiles in the geocorona and interstellar space. I - Asymmetries due to fine structure Balmer profiles in the geocorona and interstellar space. I - Asymmetries due to fine structure

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...70..476c&link_type=abstract

Icarus (ISSN 0019-1035), vol. 70, June 1987, p. 476-482.

Computer Science

7

Balmer Series, Doppler Effect, Geocoronal Emissions, Interstellar Space, Maxwell-Boltzmann Density Function, Fine Structure, Hydrogen Ions, Ion Density (Concentration), Ion Scattering

Scientific paper

While the Doppler profiles of Balmer-alpha and -beta are in principle analyzable in order to derive orbital data concerning both escaping and satellite geocoronal particles, interpretations are in practice hampered by a lack of understanding of profile properties apart from such geocoronal features as an asymmetry, caused by the absence of escape velocity-exceeding, downward-directed particles. Attention is accordingly given to the profiles of H atoms which, while emitting radiation from a complete Maxwellian distribution, also exhibit an H-alpha fine structure-generated asymmetry which is a predictable function of the excitation mechanism.

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