Absorption cross sections of hot hydrocarbons in the 3 μm region
Beale, Christopher A.
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https://hdl.handle.net/2142/91159
Description
Title
Absorption cross sections of hot hydrocarbons in the 3 μm region
Author(s)
Beale, Christopher A.
Contributor(s)
Bernath, Peter F.
Buzan, Eric M.
Hargreaves, Robert J.
Issue Date
2016-06-22
Keyword(s)
Small molecules
Abstract
The 3 $\mu$m region of ethane, propane and propene contains a number of vibrational modes dominated by various C-H stretches. Transmission spectra for these hydrocarbons have been obtained at high resolution (0.005 \wn) and at elevated temperatures (up to 773 K). The integrated absorption cross sections over the isolated 3 $\mu$m region are calibrated to those from the Pacific Northwest National Laboratory (PNNL) in order to obtain an effective pressure for the sample. With the Jovian Infrared Auroral Mapper (JIRAM on Juno) due to arrive at Jupiter in July 2016, these cross sections will find use in the study of hot emission from hydrocarbons in the auroral regions of Jupiter. They are also appropriate for modeling atmospheres of hot Jupiter exoplanets and brown dwarfs.
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