Carbon, Nitrogen And Oxygen Isotopic Ratios In Titan's Stratosphere

Details Carbon, Nitrogen And Oxygen Isotopic Ratios In Titan's Stratosphere Carbon, Nitrogen And Oxygen Isotopic Ratios In Titan's Stratosphere

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dps....40.2009g&link_type=abstract

American Astronomical Society, DPS meeting #40, #20.09; Bulletin of the American Astronomical Society, Vol. 40, p.423

Astronomy and Astrophysics

Astronomy

2

Scientific paper

Observations of submillimeter-wave rotational transitions of CO and HCN in the stratosphere of Titan were obtained in 2004, 2005 and 2007 using the Submillimeter Array (SMA), located near the summit of Mauna Kea, Hawaii. The 2004 measurements were previously analyzed to determine globally averaged vertical profiles for CO and HCN, along with the isotopic ratios 12C/13C and 14N/15N in HCN (Gurwell 2004). We reanalyzed the 2004 data with a more accurate latitudinal HCN distribution based upon Cassini CIRS observations to improve the HCN isotopic ratios. The more recent 2005 and 2007 observations were analyzed to determine the 12C/13C and 16O/18O ratios in CO. Up to date results for the molecular abundance profiles and isotopic ratios will presented.
Reference: Gurwell, M.A., 2004. Ap. J. (Letters) 616, L7-L10.

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