Global-scale surface spectral variations on Titan seen from Cassini/VIMS
Icarus
By: J. W. Barnes, R. H. Brown, L. Soderblom, B. J. Buratti, Christophe Sotin, S. Rodriguez, S. Le Mouelic, K. H. Baines, R. Clark, and P. Nicholson
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Abstract
We present global-scale maps of Titan from the Visual and Infrared Mapping Spectrometer (VIMS) instrument on Cassini. We map at 64 near-infrared wavelengths simultaneously, covering the atmospheric windows at 0.94, 1.08, 1.28, 1.6, 2.0, 2.8, and 5 ??m with a typical resolution of 50 km/pixel or a typical total integration time of 1 s. Our maps have five to ten times the resolution of ground-based maps, better spectral resolution across most windows, coverage in multiple atmospheric windows, and represent the first spatially resolved maps of Titan at 5 ??m. The VIMS maps provide context and surface spectral information in support of other Cassini instruments. We note a strong latitudinal dependence in the spectral character of Titan's surface, and partition the surface into 9 spectral units that we describe in terms of spectral and spatial characteristics. ?? 2006 Elsevier Inc. All rights reserved.
Suggested Citation
Barnes, J.W., Brown, R.H., Soderblom, L., Buratti, B.J., Sotin, C., Rodriguez, S., Le Mouelic, S., Baines, K.H., Clark, R., and Nicholson, P., 2007, Global-scale surface spectral variations on Titan seen from Cassini/VIMS: Icarus, v. 186, no. 1, p. 242-258, https://doi.org/10.1016/j.icarus.2006.08.021.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Global-scale surface spectral variations on Titan seen from Cassini/VIMS |
| Series title | Icarus |
| DOI | 10.1016/j.icarus.2006.08.021 |
| Volume | 186 |
| Issue | 1 |
| Year Published | 2007 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Icarus |
| First page | 242 |
| Last page | 258 |