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Condensation in Titan's atmosphere at the Huygens landing site

Yelle, R. V.; Lavvas, P.; Griffith, C. A.

We present a self-consistent description of Titan's aerosols-clouds-gases system and compare our results with the optical properties retrieved from measurements made by the Descent Imager/Spectral Radiometer (DISR) experiment on the Huygens probe (Tomasko, M.G. et al. [2008]. Planet. Space Sci. 56, 669-707). Our calculations include the condensati…

The near-IR spectrum of Titan modeled with an improved methane line list

Bailey, Jeremy; Meadows, V. S.; Ahlsved, Linda

We have obtained spatially resolved spectra of Titan in the near-infrared J, H and K bands at a resolving power of ∼5000 using the near-infrared integral field spectrometer (NIFS) on the Gemini North 8 m telescope. Using recent data from the Cassini/Huygens mission on the atmospheric composition and surface and aerosol properties, we develop a mul…

Morphology and variability of the Titan ringlet and Huygens ringlet edges

Colwell, Joshua E.; Esposito, Larry W.; Jerousek, Richard G.

We present a forward modeling approach for determining, in part, the ring particle spatial distribution in the vicinity of sharp ring or ringlet edges. Synthetic edge occultation profiles are computed based on a two-parameter particle spatial distribution model. One parameter, h, characterizes the vertical extent of the ring and the other, δ, char…

Insolation in Titan's troposphere

Lunine, Jonathan I.; Lora, Juan M.; Goodman, Paul J. +1 more

Seasonality in Titan's troposphere is driven by latitudinally varying insolation. We show that the latitudinal distributions of insolation in the troposphere and at the surface, based on Huygens DISR measurements, can be approximated analytically with nonzero extinction optical depths τ, and are not equivalent to that at the top of the atmosphere …