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The THS experiment: Simulating Titan's atmospheric chemistry at low temperature (200 K)

Published online by Cambridge University Press:  27 October 2016

Ella Sciamma-O'Brien ,
Kathleen T. Upton ,
Jack L. Beauchamp  and
Farid Salama
Ella Sciamma-O'Brien
Affiliation:
NASA Ames Research Center, Moffett Field, CA email: ella.m.sciammaobrien@nasa.gov Bay Area Environmental Research Institute, Petaluma, CA
Kathleen T. Upton
Affiliation:
Noyes Laboratory of Chemical Physics and the Beckman Institute - Caltech, Pasadena, CA
Jack L. Beauchamp
Affiliation:
Noyes Laboratory of Chemical Physics and the Beckman Institute - Caltech, Pasadena, CA
Farid Salama
Affiliation:
NASA Ames Research Center, Moffett Field, CA email: ella.m.sciammaobrien@nasa.gov
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Abstract

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In the Titan Haze Simulation (THS) experiment, Titan's atmospheric chemistry is simulated by plasma discharge in the stream of a supersonic expansion, i.e. at low Titan-like temperature (150 K). Here, we present complementary gas and solid phase analyses of four N2-CH4-based gas mixtures that demonstrate the unique capability of the THS to monitor the chemical growth evolution in order to better understand Titan's chemistry and the origin of aerosol formation.

Keywords

astrochemistrymolecular processesplasmasmethods: laboratoryplanets and satellites: Titan
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29A: Astronomy in Focus , August 2015 , pp. 327 - 328
Copyright
Copyright © International Astronomical Union 2016 

References

Biennier, L., Benidar, A., & Salama, F. 2006, Chem. Phys., 326, 445 Google Scholar
Ricketts, C. L., Contreras, S. C., Walker, R., & Salama, F. 2011, Int. J. Mass Spec., 300, 26 Google Scholar
Sciamma-O'Brien, E., Ricketts, C. L., & Salama, F. 2014, Icarus, 243, 325 Google Scholar