The 2145 A dayglow and the high altitude nitric oxide density

Details The 2145 A dayglow and the high altitude nitric oxide density The 2145 A dayglow and the high altitude nitric oxide density

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982georl...9..866v&link_type=abstract

Geophysical Research Letters, vol. 9, Aug. 1982, p. 866-868. NSF-supported research;

Physics

20

Dayglow, Ionospheric Composition, Near Ultraviolet Radiation, Nitric Oxide, Nitrogen Ions, Photoionization, Electric Dipoles, Extreme Ultraviolet Radiation, Ion Production Rates, Mass Spectroscopy

Scientific paper

It is argued that dissociative photoionization of N2 by solar ultraviolet radiation at wavelengths shorter than 329 A is a large source of atmospheric N(+)(5S 0 2) ions which radiate at 2143.6 A and 2139.7 A. Calculations of the daytime production of N(+)(5S 0 2) ions are carried out. The band pass of the instrument used to measure the intensity of the NO gamma band at 2150 A contains the N(+) emission wavelengths and we suggest that the NO densities at high altitudes may be affected.

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