Far ultraviolet atomic and molecular nitrogen emissions in the dayglow

Details Far ultraviolet atomic and molecular nitrogen emissions in the dayglow Far ultraviolet atomic and molecular nitrogen emissions in the dayglow

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.5011t&link_type=abstract

Journal of Geophysical Research, vol. 82, Nov. 1, 1977, p. 5011-5023.

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Dayglow, Molecular Spectra, Nitrogen Atoms, Ultraviolet Spectroscopy, Aerobee Rocket Vehicle, Emission Spectra, Far Ultraviolet Radiation, Rocket Sounding, Spectral Bands

Scientific paper

A scanning spectrophotometer was used to observe the far ultraviolet day airglow between 1130 and 1520 A at 4.4-A spectral resolution. Fourteen bands of the N2 Lyman-Birge-Hopfield (LBH) system are clearly resolved and suggest a total LBH system zenith column emission rate of 3810 plus or minus 520 R extrapolated to the subsolar point. A photoelectron flux model (based on recent photoelectron flux measurements and the observed LBH altitude profile) is used to derive the direct and dissociative excitation contributions to the atomic nitrogen emissions. The calculated atomic nitrogen density agrees with other measurements, although it is an order of magnitude greater than previous photochemical model results.

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