# Browse Abstracts & Presentations - 2014 International Symposium on Molecular Spectroscopy by Subject "Planetary atmospheres"

• (International Symposium on Molecular Spectroscopy, 2014-06-20)
In the interstellar medium, as well as in icy comets, ammonia may be a crucial species in the first step toward the formation of amino-acids and other prebiotic molecules such as hydroxylamine (NH$_{2}$OH). It is worth to ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
Titan’s stratosphere is abundant in hydrocarbons (C$_{x}$H$_{y}$) producing highly complicated and crowded features in the spectra of Cassini/CIRS. Among these, benzene (C$_6$H$_6$) is the heaviest hydrocarbon ever ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
High-resolution infrared absorption spectra have been created for the \nub{9} band of ethane (\chem{C_2H_6}) at 823 \wn using the Fourier transform spectrometer at the Australian Synchrotron . Infrared spectra were recorded ...

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Microsoft PowerPoint 2007 (7MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
We have recorded high-resolution (FWHM = 0.2\,\AA) extreme-ultraviolet (EUV, 800--1350\,\AA) laboratory emission spectra of molecular nitrogen excited by 20 and 100\,eV electron impact under mostly optically thin conditions. ...

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PDF (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
In the past few decades, many high-resolution spectroscopic studies have been dedicated to the C-H stretch vibrations in propyne (CH$_3$-C$\equiv$CH), aiming to understand the intramolecular vibrational redistribution in ...

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PDF (17kB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
Propyne (CH$_{3}$-C$\equiv$CH) is an important molecule in astrophysics and planetary atmospheres, and an important constituent of fuels. Spectroscopic investigation of propyne is also of fundamental interest in intramolecular ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The arrival of the Cassini spacecraft in orbit around Saturn has led to the discovery of benzene at ppm levels, as well as large positive ions evocative of polycyclic aromatic hydrocarbons (PAHs) in Titan’s atmosphere. ...

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Microsoft PowerPoint 2007 (29MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
High-resolution, high signal-to-noise spectra of mono-substituted $^{13}$C-ethane ($^{13}$C$^{12}$CH$_6$) in the 12.2 $\mu$m region were recorded with a Bruker IFS 125HR Fourier transform spectrometer. The spectra ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
Sulfur compounds have been observed in the atmospheres of a number of planetary bodies in our solar system including Venus, Earth, Mars, Io, Europa, and Callisto. The global cloud cover on Venus located at an altitude ...

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PDF (16kB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The atmosphere of Titan contains nitrogen, methane, and a rich mixture of more complex hydrocarbons and nitriles produced by photochemical processing. Data from the 2005 Cassini-Huygens mission suggests that among the more ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
We have measured$^{a}$ over 130 pure rotational transitions of the lowest torsional state, $\nu$$_{18}$, of C$_{2}$H$_{5}$D using a double pass 3 meter cell held at 0.2 Torr of sample pressure in the frequency ranges of ...

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Microsoft PowerPoint 2007 (2MB)