Computer Science
Scientific paper
Apr 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ttt..work...68c&link_type=abstract
Through Time; A Workshop On Titan's Past, Present and Future, NASA Goddard Space Flight Center, April 6th - 8th, 2010. Edited b
Computer Science
Scientific paper
We have probed Titan's stratosphere using CIRS nadir spectra taken during the past 5 years and binned over 10° in latitude for both medium (2.5 cm-1) and high (0.5 cm-1) resolutions. Latitudinal variations were previously inferred in a number of works (Flasar et al., 2005; Coustenis et al., 2007, 2010; Vinatier et al., 2007, 2009; Teanby et al., 2006, 2007, 2008). Temporal variation trends were previously reported by Teanby et al. (2008). Here, we have formed 5 yearly selections (from mid-2004 to 2009) in the FP3 and FP4 CIRS focal planes and searched for variations in temperature and composition at northern (around 50°N) and southern (around 50°S) latitudes. In general, we look for variations in temperature and composition as the season on Titan progresses. Some selections of limb data should allow us to search for temporal variations on vertical distributions. We also compare our results with findings from the ISO/SWS (1997) and Voyager/IRIS (1980) missions and look for temporal variations over long periods of time. With this study we seek to refine this previous work with more data and to set constraints on seasonal/photochemical models.
Achterberg Richard
Bampasidis Georgios
Carlson Ronald
Coustenis Athena
Flasar Michael F.
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