Distribution of HCN in Titan's upper atmosphere from Cassini/VIMS observations at 3μm
Journal article published in 2011 by
A. Adriani 
,
B. M. Dinelli,
M. López Puertas,
M. García Comas,
M. L. Moriconi,
E. D'Aversa,
E. D’Aversa,
B. Funke ,
A. Coradini
,
B. M. Dinelli,
M. López Puertas,
M. García Comas,
M. L. Moriconi,
E. D'Aversa,
E. D’Aversa,
B. Funke ,
A. Coradini
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Abstract
We present the first concentration retrieval of HCN by Cassini-VIMS limb observations of the Titan upper atmosphere. HCN is thought to play an important role in the chemistry and in determining the thermal structure of Titan's thermosphere. A model for non-LTE HCN emission in Titan atmospheric condition has been developed for the purpose.