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LOW TEMPERATURE MEASUREMENTS OF PLANETARY GASES

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/17166

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Title: LOW TEMPERATURE MEASUREMENTS OF PLANETARY GASES
Creators: Nadler, S. D.; Hillman, J. J.; Jennings, D. E.
Issue Date: 1987
Abstract: A low temperature absorption cell has been used to obtain spectra between 100 and 300 Kelvin of planetary gases. These spectra were recorded with our Doppler-limited diode laser spectrometer and with the 1-m FTS located at the McMath Solar Telescope at the National Solar Observatory, operated at $0.0025 cm^{-1}$ resolution. We undertook an investigation of the spectrum of ethane, propane, and ethylene under $H_{2}$-broadened conditions at temperatures appropriate to the outer planets. A modified confocal etalon facilitated precise measurement of line positions. We will discuss these experiments, the basic results, and the implications for planetary modeling.
URI: http://hdl.handle.net/1811/17166
Other Identifiers: 1987-FB-8
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