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Data and Services: Mars
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MRO: CRISM

April 8, 2008. Some CRISM TRDR products from Release 1 that were made using version 1 of the radiometric calibration procedures have been revised. These products are from the long wavelength detector and were acquired between 9/27/2006 and 2/8/2007. The revised products have been processed using version 2 of the radiometric calibration. Long wavelength detector products from releases 2-4 were produced with the version 2 calibration. Thus, all CRISM TRDR long wavelength products are now available with the same calibration. The new products can be easily recognized because their file names contain TRR2 or HKP2. See the CRISM Data Product SIS in the DOCUMENT directory for more information on the file name convention.

March 7, 2008. MRO Release 4 of CRISM data sets includes EDR, CDR, DDR, TRDR, and MRDR data acquired between May 9 and August 8, 2007.  

CRISM is the Compact Reconnaissance Imaging Spectrometer for Mars, a visible-infrared hyperspectral mapper that maps the geology, composition, and layering of surface features on Mars. CRISM data sets are produced by the CRISM Science Team at Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland.

CRISM Data Sets

Raw Data Products
EDR - Experiment Data Records
CDR - Calibration Data Records (included in EDR archive)
Derived Data Products
DDR - Derived Data Records contain information on observation conditions and surface physical properties
TRDR - Targeted Reduced Data Records contain data calibrated to radiance or I/F
ADR - Ancillary Data Records (to be produced later and included in TRDR archive)
MRDR - Multispectral Reduced Data Records contain multispectral survey data calibrated, mosaicked, and map projected
MTRDR - Multispectral Targeted Reduced Data Records (to be produced later)
Special Products
The CRISM Spectral Library, a collection of Mars-analog laboratory spectra

Related Information

Use the Mars Orbital Data Explorer to search for CRISM data.

Read the CRISM Data Product Specification (PDF, 22.9 MB) for information about the structure and content of CRISM data products. This is essential reading for any CRISM user.

Read the CRISM Data Set Specification (PDF, 1.5 MB) for information about the organization of CRISM data sets. There is more than just the data products!

Visit the CRISM Team Web Site at APL for the latest news about CRISM.

 

 
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Curator: Susan Slavney
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