Laboratory studies at high resolution of the infrared absorption spectra of a number of gases found in planetary atmospheres

Details Laboratory studies at high resolution of the infrared absorption spectra of a number of gases found in planetary atmospheres Laboratory studies at high resolution of the infrared absorption spectra of a number of gases found in planetary atmospheres

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983fsu..rept.....h&link_type=abstract

Final Report Florida State Univ., Tallahassee. Dept. of Physics.

Physics

Absorption Spectra, Abundance, Atmospheric Composition, Infrared Spectra, Molecular Gases, Planetary Atmospheres, Atmospheric Pressure, Atmospheric Temperature, Line Spectra, Methane, Spectrum Analysis

Scientific paper

The infrared absorption spectra of a number of gases found in planetary atmospheres were studied at high resolution. Absorption line measurements which can be of value for the interpretation of planetary spectra in terms of molecular abundances and conditions in the planetary atmospheres were provided. The high resolution spectra have yielded measurements of individual vibration rotation line parameters including positions, strengths, pressure broadened widths and, where assignments were unknown, the temperature sensitivity of the strengths. Such information allows the determinations of the absorption of a given molecular gas under planetary conditions of temperature and pressure and at the same time it provides the data necessary if the spectra are to be understood in terms of basic molecular theory. Thus this work has included spectral analysis in the form of line assignments as well as fitting of the data to Hamiltonian models. Such fitting is very useful in that it helps to confirm and extend the assignments.

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