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<p>Ultraviolet emissions of the Earth's ionosphere in the wavelength range of 2000 A to 2500 A are analyzed. These data were obtained by a rocket- borne spectrograph flown on March 30, 1990 from the White Sands Missile Range, New Mexico. The gamma and epsilon bands of nitric oxide dominate this portion of the spectrum. Column densities of nitric oxide are determined by fitting eleven of the most prominent bands with synthetic spectra. Additionally, a temperature profile is found between the altitudes of 145 km and 195 km. From the data, corrections to the Franck-Condon factors are determined for three v (Z primes) progressions of the nitric oxide gamma bands.
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<br>Subjects: Nitric oxide.; Spectrum analysis; Ultraviolet spectra; dayglow; nitric oxide</div>
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Clayton, Michael J.</div>
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