The excitation of ionic lines and molecular bands in meteor wakes

Details The excitation of ionic lines and molecular bands in meteor wakes The excitation of ionic lines and molecular bands in meteor wakes

Jan 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979p%26ss...27...59p&link_type=abstract

Planetary and Space Science, vol. 27, Jan. 1979, p. 59-61. Research supported by the South African Council for Scientific and I

Other

Metal Ions, Meteor Trails, Molecular Spectra, Wakes, Atmospheric Chemistry, Spectral Energy Distribution, Spectrum Analysis

Scientific paper

The appearance of multiplets arising from the 4 2P state of Ca II (the H and K lines and an infrared triplet), the first positive band of N2 and possibly certain multiplets of Fe II in meteor wake spectra is explained semiquantitatively in terms of the two-step sequence: collisional ionization of major atmospheric species O2 and N2 followed by resonant charge exchange with ablated meteoric atoms. Many other features which could arise through this mechanism (multiplets of Mg II, Si II and Fe II, and bands of O2 and N2) are likely to be weak or to have escaped detection owing to observational selection.

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