Computer Science
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1627h&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1627
Computer Science
Scientific paper
Groups of peaks with mass spacing of 13.5 are observed in all of the tholin spectra. Analysis of the Orbitrap tholin measurements indicates that these groups EPSC Abstracts Vol. 6, EPSC-DPS2011-1627, 2011 EPSC-DPS Joint Meeting 2011 c Author(s) 2011 can be defined by molecules that have a constant number of heavy atoms (C+N). The average number of C, N, and H atoms in each group increases linearly as a function of increasing mass. These trends can therefore be extrapolated to the higher masses observed in the CAPS measurements as a first estimate of the possible composition of those molecules. The spacing appears to be a consequence of the degree of saturation of the molecules. The INMS spectra and the CAPSIBS (positive ions) spectra exhibit groups of very regularly spaced peaks as well. The spacing in the INMS data is 12.5 but seems to increase towards 13.5 for the heavier masses in the CAPS-IBS data. The spacing change may be indicative of the transition from gas phase molecules to aerosols.
Carrasco Naraya
Horst S. M.
Sciamma-O'Brien Ella
Smith Matthew A.
Szopa Cyril
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