Other
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agusm.p13a..03a&link_type=abstract
American Geophysical Union, Spring Meeting 2009, abstract #P13A-03
Other
0520 Data Analysis: Algorithms And Implementation, 0525 Data Management, 0594 Instruments And Techniques, 9820 Techniques Applicable In Three Or More Fields
Scientific paper
Four years after the start of the historic Cassini mission, a wealth of data has accumulated in the Planetary Data System (PDS). Data from the orbiter consists (only a partial list is included here) of images from ISS (the camera system), and the Radar system; spectra from remote sensing instruments: UVIS (the ultraviolet spectrometer), and VIMS (the visible/infrared spectrometer); radiometry from CIRS; electron and ion sensor data from CAPS (the plasma instrument); high energy electron, ion, and neutral sensor data as well as images from MIMI (the energetic particle instrument); magnetic field data from MAG (the magnetometer); ion and neutral count data from INMS (the mass spectrometer); dust count data from CDA (the dust detector); and raw data from the radio science experiment. Data from the Orbiter is spread across several nodes of the PDS including the Imaging Node, the Rings Node, the Atmospheres Node, and the Planetary Plasma Interactions Node. Other relevant PDS nodes for the purposes of making best use of the data include the Engineering Node, and the Navigation and Ancillary Information Node. Tools for reading, plotting, finding ephemeris of, and other tools are also available. Prospective users must make themselves aware of gaps, calibration issues, instructions that are part of the documentation, and other nuances of using these data. The Cassini Project is interested in the accessibility of these data to the larger community. The Cassini Project recently conducted a 'Usability' study with beta testers to assess the ease of use of these data for investigators not familiar with Cassini. Many of the data sets, which included detailed instructions for users to perform their own calibrations, were found to be non-trivial for first-time users. Some of the data sets require knowledge of specialized software - including SPICE software - documentation of which is provided but which may be non- trivial to use. In this talk we will present the basic components of each of the data sets, how to get started, lessons learned from the experiences of first-time users, and we welcome feedback from the community. The PDS Home Page is given at the URL below. The Cassini Project is compliant with all NASA archiving requirements. The work at the Jet Propulsion Laboratory, California Institute of Technology, was supported by NASA. The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency.
Alexander Claudia J.
Beebe Reta
Pappalardo Robert T.
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