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Temperature Variations of Saturn Rings with Viewing Geometries from Prime to Equinox Cassini MissionsAfter more than six years in orbit around Saturn, the Cassini Composite Infrared Spectrometer (CIRS) has acquired an extensive set of measurements of Saturn's main rings (A, B, C and Cassini Division) in the thermal infrared. Temperatures were retrieved for the lit and unlit rings over a variety of ring geometries that include phase angle, solar and spacecraft elevations and local time. We show that some of these parameters (solar and spacecraft elevations, phase angle) play a role in the temperature variations in the first order, while the others (ring and particle local time) produced second order effects. The results of this comparison will be presented.
Document ID
20150006568
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Deau, E. A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Spilker, L. J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Morishima, R.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Brooks, S.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Pilorz, S.
(Search for Extraterrestrial Intelligence Inst. Mountain View, CA, United States)
Altobelli, N.
(European Space Agency. European Space Research and Technology Center, ESTEC Noordwijk, Netherlands)
Date Acquired
April 23, 2015
Publication Date
October 2, 2011
Subject Category
Lunar And Planetary Science And Exploration
Meeting Information
Meeting: European Planetary Science Congress (EPSC) Joint Meeting 2011 La Citý Internationale des Congrýs Nantes Mýtropole
Location: Nantes
Country: France
Start Date: October 2, 2011
End Date: October 7, 2011
Sponsors: Copernicus Meetings, European Planetary Science Congress, American Astronomical Society
Distribution Limits
Public
Copyright
Other
Keywords
Saturn's rings
observational geometry

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