Other
Scientific paper
Oct 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.5705j&link_type=abstract
American Astronomical Society, DPS meeting #39, #57.05; Bulletin of the American Astronomical Society, Vol. 39, p.532
Other
Scientific paper
The Cassini Radar instrument includes a passive microwave radiometer that operates at 13.78 GHz ( 2.2 cm wavelength). The radiometer is used to observe the thermal emission from Titan's surface at resolutions ranging from 5 - 500 km and at a variety of emission angles and polarizations. Nearly the entire surface has been observed through May, 2007, enabling the construction of a mosaiced global map of the surface brightness temperature at normal incidence. The approach to producing this map will be presented. Our knowledge from Radar imaging of the nature of Titan's surface in key regions - specifically, the equatorial dune fields, the northern seas, and the Huygens probe landing site temperature - enables us to absolutely calibrate this map. Implications for surface composition and physical properties are discussed. Among other interpretations, an equator to pole temperature difference will be presented. This work was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.
Cassini RADAR Team
Janssen Michael A.
Kirk Randolph L.
Lopes Rosaly M.
Lorenz Ralph D.
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