DPS Meeting, Madison, October 1998
Session 39. Titan I
Contributed Oral Parallel Session, Thursday, October 15, 1998, 10:40-11:40am, Madison Ballroom D

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[39.06] Titan's cloud layers from disk-resolved, near-infrared spectroscopy

M. T. Lemmon (University of Arizona)

The Space Telescope Imaging Spectrograph (STIS) was used to obtain visible through near-infrared spectra of Titan in November 1997. The spectra have N-S spatial resolution (0.05 arcsec / pixel) and were obtained at 3 E-W positions on the disk. Titan's 0.6- to 1.0-micron methane bands are used to probe scattering in the atmosphere. An inversion of the data yields two optically thin and possibly global scattering layers in the mid- and upper-troposphere. More detailed radiative tranfer models will be presented in order to show constraints on the location and thickness of the cloud layers.

The author(s) of this abstract have provided an email address for comments about the abstract: lemmon@lpl.arizona.edu

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