Computer Science
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..322c&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.322
Computer Science
Scientific paper
We acquired spectra of Saturn from two complementary instruments: the SpeX spectrograph at NASA's Infrared Telescope Facility and the Visual and Infrared Mapping Spectrometer (VIMS) onboard the Cassini spacecraft. We obtained these spectra between 2005 and 2010, when Saturn's southern hemisphere transitioned from summer to fall, at two distinct latitudes: 15 deg S and 30 deg S. We extracted these spectra in the wavelength range 2.4-3.2 microns, where tropospheric haze and phosphine gas absorb reflected sunlight. We examined the spatial and seasonal variations in Saturn's haze and vertical phosphine distribution. We accomplished this by producing synthetic spectra using the adding-doubling method to characterize radiative transfer through atmospheric layers and the correlated k distribution method to model molecular absorption.
Bjoraker Gordon
Carlson Robert
Chanover Nancy
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