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Cartographic Mapping of the Icy Satellites Using ISS and VIMS Data

Roatsch, Th. and Jaumann, R. and Stephan, K. and Thomas, P. C. (2009) Cartographic Mapping of the Icy Satellites Using ISS and VIMS Data. In: Saturn from Cassini-Huygens Physik und Astronomie. Springer Netherlands. pp. 763-781. ISBN 978-1-4020-9216-9.

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The sizes and shapes of six icy Saturnian satellites have been measured from Cassini Imaging Science Subsystem (ISS) data, employing limb coordinates and stereogram-metric control points. Mimas, Enceladus, Tethys, Dione and Rhea are well described by triaxial ellipsoids; Iapetus is best represented by an oblate spheroid. The ISS acquired many high-resolution images (<1 km/pixel) during close flybys of the medium-sized icy Saturnian satellites (Mimas, Enceladus, Tethys, Dione, Rhea, Iapetus, and Phoebe). We combined these images with lower-resolution coverage and a few images taken by Voyager cameras to produce high-resolution mosaics of these satellites. The global mosaics are the baseline for high-resolution atlases. The atlases consist of 15 tiles each for Enceladus, Dione, and Tethys, whereas the Iapetus, Mimas, and Phoebe atlases consist of 3, 1, and 1 tile, respectively. The nomenclature used in these atlases was suggested by the Cassini-ISS team and approved by the International Astronomical Union (IAU). The whole atlases are available to the public through the Imaging Team's website (http://ciclops.org/maps/) and from the Planetary Data System (PDS, http://pds-imaging.jpl.nasa.gov/). Additionally to ISS, the Visual and Infrared Mapping Spectrometer (VIMS) onboard the Cassini spacecraft detected the chemical and physical surface properties of the Saturnian satellites. Multiple VIMS observations were combined into global VIMS maps representing the VIMS coverage achieved during the nominal Cassini mission. Progressed mapping has been done for the satellites Dione, Rhea, and Enceladus.

Document Type:Book Section
Title:Cartographic Mapping of the Icy Satellites Using ISS and VIMS Data
AuthorsInstitution or Email of Authors
Roatsch, Th. thomas.roatsch@dlr.de
Jaumann, R. ralf.jaumann@dlr.de
Stephan, K. katrin.stephan@dlr.de
Thomas, P. C. Center for Radiophysics and Space Research, Cornell University, Ithaca, NY 14853, USA
Date:September 2009
Journal or Publication Title:Saturn from Cassini-Huygens
Page Range:pp. 763-781
Dougherty, Michele K. UNSPECIFIED
Esposito, Larry W. UNSPECIFIED
Krimigis, Stamatios M. UNSPECIFIED
Publisher:Springer Netherlands
Series Name:Physik und Astronomie
Keywords:icy satellites, Cassini-ISS, Cassini-VIMS
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben CASSINI (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geology
Deposited By: Stephan Estel
Deposited On:03 Dec 2009 10:17
Last Modified:19 Apr 2010 13:18

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