Physics
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985georl..12...97s&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 12, Feb. 1985, p. 97-100. Research supported by the Lockheed Independent Res
Physics
38
Airglow, Nitrogen Dioxide, Raman Spectra, Space Shuttle Orbiters, Spaceborne Experiments, Spectrum Analysis
Scientific paper
An experiment was operated on several Space Shuttle missions to provide spatial and spectral distributions of a ram glow associated with the Orbiter. The most recent data featured resolved spectrum and imagery of the glow with spectroscopic resolution of 34 A FWHM between 4000 and 8000 A. The spectrum of the glow on the Shuttle tail pod could be clearly separated from spectrum of the reflected light from the Orbiter. Analysis and comparison have been performed which strongly suggest the emission originates from recombination continuum of NO2. Both fast recombination (high temperature) and the spectral dependence in lifetime can describe the spectral difference. If the recombined NO2 retains 25 percent of the kinetic energy of the ram OI, the thickness of the glow layer can be explained by the lifetime of NO2 (2B1) recombination emission.
Clifton Kenneth S.
Mende Stephen B.
Swenson Gary R.
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