# MEASUREMENTS ON THE INFRARED LINES OF METHANE AND CARBON MONOXIDE AT LOW TEMPERATURES

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 Title: MEASUREMENTS ON THE INFRARED LINES OF METHANE AND CARBON MONOXIDE AT LOW TEMPERATURES Creators: Varanasi, P.; Sarangi, Sunil Issue Date: 1973 Publisher: Ohio State University Abstract: Measurements performed at temperatures between $80^{\circ} K$ and $295^{\circ} K$ are presented for collision-broadened rotational lines in the $\nu_{3}$ fundamental and $2_{\nu_{3}}$ band of $CH_{4}$. Half-widths of methane lines have been measured in self-broadening and in broadening by hydrogen, helium, nitrogen and air. Our measurements at temperatures below $100^{\circ} K$ reveal, for the first time, the nature of the far wings of methane lines. Similar measurements have also been made on the far wings of lines in the fundamental band of CO. Description: This research was supported by NASA under Grant No. NGR-33-015-139. Author Institution: Department of Mechanics, State University of New York URI: http://hdl.handle.net/1811/16076 Other Identifiers: 1973-O-09