Improved laboratory rest frequency measurements and pressure shift and broadening parameters for the J = 2 - 1 and J = 3 - 2 rotational transitions of CO

Details Improved laboratory rest frequency measurements and pressure shift and broadening parameters for the J = 2 - 1 and J = 3 - 2 rotational transitions of CO Improved laboratory rest frequency measurements and pressure shift and broadening parameters for the J = 2 - 1 and J = 3 - 2 rotational transitions of CO

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...393..848b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 393, no. 2, July 10, 1992, p. 848-851.

Physics

13

Carbon Monoxide, Frequency Measurement, Pressure Drop, Rotational Spectra, Spectral Line Width, Venus Atmosphere, Doppler Effect, Electron Transitions, Microwave Spectrometers

Scientific paper

The J = 2 - 1, 3 - 2, and the 4 - 3 rotational transitions of CO have been measured using the RAD-2 microwave spectrometer at n the Applied Physics Institute in Nizhny Novgorod. Pressure shift and broadening parameters were measured for the J = 2 - 1 and J = 3 - 2 transitions. This was done with CO (self-broadening) and CO2 (foreign gas-broadening). The new laboratory rest frequency measurements are accurate to +/- 2 kHz (2 sigma uncertainty). These improved frequency measurements should be useful in planetary atmosphere research to determine more accurate wind velocities in the Venusian atmosphere.

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