Other
Scientific paper
May 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996jesrp..79..429a&link_type=abstract
J. Electron Spectrosc. Relat. Phenom., Vol. 79, p. 429 - 432
Other
1
Uv Spectroscopy: Planets, Uv Spectroscopy: Planetary Satellites
Scientific paper
The next generation of high resolution UV imaging spacecraft are being prepared for studying the airglow and aurora of the Earth, the other terrestrial planets and the Jovian planets. The authors have developed a laboratory program to provide electron impact collision cross sections of the major molecular planetary gases (H2, N2, CO2, O2 and CO). Spectra under optically thin conditions have been measured with a high resolution UV spectrometer in tandem with an electron impact collision chamber. Electron impact dissociation of H2 is believed to be one of the major mechanisms leading to the observed wide profile of H Lα from Jupiter aurora by the Hubble Space Telescope. The authors report a quantitative measurement of the predissociation fraction 0.15±.045.01 at 300K in the N2 C'41Σu+-X1Σg+ (0,0) band, with an experimental determination of rotational line strengths to be used to understand N2 EUV emission from Titan, Triton and the Earth.
Ahmed Sam
Ajello Joe
Ciocca Marco
James Gordon
Kanik Inanc
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