MSL/CHEMCAM/LIBS RECALIBRATED DATA IN PDS MSL RELEASE 4; USER WORKSHOP

The recently available PDS MSL/ChemCam Release 4 includes recalibrated laser-induced breakdown spectroscopy (LIBS) compositional data from 75,210 spectra representing 2,256 observation points in 258 targets in Gale crater. The recalibration gives more representative elemental compositions from the entire mission. The data set includes active spectra on soils and rocks, including laser depth profiles; passive spectra on soils, rocks, and atmosphere; and Remote Micro-Imager (RMI) high resolution images. The data volume delivered in Release 4, including recalibrated files, is 7.7 GB. Potential LIBS data users should read the caveats carefully and consult recent publications, as this is a new technique. Further refinement of the data is possible.

To help familiarize potential new users a short MSL LIBS Data Users Workshop is being planned in conjunction with the Lunar & Planetary Science Conference in Houston in March. The contact is Roger Wiens (rwiens@lanl.gov). More information and announcements will be
available closer to the time of the meeting.

The ChemCam data can be found at:
http://pds-geosciences.wustl.edu/missions/msl/chemcam.htm

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