Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005dps....37.5305j&link_type=abstract
American Astronomical Society, DPS meeting #37, #53.05; Bulletin of the American Astronomical Society, Vol. 37, p.739
Astronomy and Astrophysics
Astronomy
5
Scientific paper
The Cassini Radar instrument includes a passive microwave radiometer operating at 13.78 GHz ( ˜ 2.2 cm wavelength). An objective for the radiometer is the determination of properties of Titans surface such as dielectric constant and physical state, achieved using measurements of the brightness and polarization of thermal emission from Titan's surface. We have examined in detail a radiometric feature centered at location 10.5 degrees N latitude, 15.8 degrees W longitude, the center of which coincides with an impact crater seen in the T3 SAR strip as well as in VIMS and ISS observations. This feature has been observed several times with the radiometer in Ta, T3 and T4, over a range of spatial resolutions, emission angles and polarizations. The spatial extent, dielectric properties, and physical state of this feature will be discussed. 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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