Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) on Mars Reconnaissance Orbiter (MRO)

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Read Full Article (file size: 3278182 bytes) Cited by JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 112, E05S03, doi:10.1029/2006JE002682, 2007 Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) on Mars Reconnaissance Orbiter (MRO) S. Murchie Applied Physics Laboratory, Laurel, Maryland, USA R. Arvidson Department of Earth and Planetary Sciences, Washington University, St. Louis, Missouri, USA P. Bedini Applied Physics Laboratory, Laurel, Maryland, USA K. Beisser Applied Physics Laboratory, Laurel, Maryland, USA J.-P. Bibring Institut d'Astrophysique Spatiale, Orsay, France J. Bishop NASA Ames Research Center, Moffett Field, California, USA J. Boldt Applied Physics Laboratory, Laurel, Maryland, USA P. Cavender Applied Physics Laboratory, Laurel, Maryland, USA T. Choo Applied Physics Laboratory, Laurel, Maryland, USA R. T. Clancy Space Science Institute, Boulder, Colorado, USA E. H. Darlington Applied Physics Laboratory, Laurel, Maryland, USA D. Des Marais NASA Ames Research Center, Moffett Field, California, USA R. Espiritu Applied Coherent Technology, Herndon, Virginia, USA D. Fort Applied Physics Laboratory, Laurel, Maryland, USA R. Green NASA Jet Propulsion Laboratory, Pasadena, California, USA E. Guinness Department of Earth and Planetary Sciences, Washington University, St. Louis, Missouri, USA J. Hayes Applied Physics Laboratory, Laurel, Maryland, USA C. Hash Applied Coherent Technology, Herndon, Virginia, USA K. Heffernan Applied Physics Laboratory, Laurel, Maryland, USA J. Hemmler Applied Physics Laboratory, Laurel, Maryland, USA G. Heyler Applied Physics Laboratory, Laurel, Maryland, USA D. Humm Applied Physics Laboratory, Laurel, Maryland, USA J. Hutcheson Applied Physics Laboratory, Laurel, Maryland, USA N. Izenberg Applied Physics Laboratory, Laurel, Maryland, USA R. Lee Applied Physics Laboratory, Laurel, Maryland, USA J. Lees Applied Physics Laboratory, Laurel, Maryland, USA D. Lohr Applied Physics Laboratory, Laurel, Maryland, USA E. Malaret Applied Coherent Technology, Herndon, Virginia, USA T. Martin NASA Jet Propulsion Laboratory, Pasadena, California, USA J. A. McGovern Applied Physics Laboratory, Laurel, Maryland, USA P. McGuire Department of Earth and Planetary Sciences, Washington University, St. Louis, Missouri, USA R. Morris NASA Johnson Space Center, Houston, Texas, USA J. Mustard Department of Geological Sciences, Brown University, Providence, Rhode Island, USA S. Pelkey Department of Geological Sciences, Brown University, Providence, Rhode Island, USA E. Rhodes Applied Physics Laboratory, Laurel, Maryland, USA M. Robinson Center for Planetary Sciences, Northwestern University, Evanston, Illinois, USA T. Roush NASA Ames Research Center, Moffett Field, California, USA E. Schaefer Applied Physics Laboratory, Laurel, Maryland, USA G. Seagrave Applied Physics Laboratory, Laurel, Maryland, USA F. Seelos Applied Physics Laboratory, Laurel, Maryland, USA P. Silverglate Applied Physics Laboratory, Laurel, Maryland, USA S. Slavney Department of Earth and Planetary Sciences, Washington University, St. Louis, Missouri, USA M. Smith NASA Goddard Space Flight Center, Greenbelt, Maryland, USA W.-J. Shyong Applied Physics Laboratory, Laurel, Maryland, USA K. Strohbehn Applied Physics Laboratory, Laurel, Maryland, USA H. Taylor Applied Physics Laboratory, Laurel, Maryland, USA P. Thompson Applied Physics Laboratory, Laurel, Maryland, USA B. Tossman Applied Physics Laboratory, Laurel, Maryland, USA M. Wirzburger Applied Physics Laboratory, Laurel, Maryland, USA M. Wolff Space Science Institute, Boulder, Colorado, USA Abstract The Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) is a hyperspectral imager on the Mars Reconnaissance Orbiter (MRO) spacecraft. CRISM consists of three subassemblies, a gimbaled Optical Sensor Unit (OSU), a Data Processing Unit (DPU), and the Gimbal Motor Electronics (GME). CRISM's objectives are (1) to map the entire surface using a subset of bands to characterize crustal mineralogy, (2) to map the mineralogy of key areas at high spectral and spatial resolution, and (3) to measure spatial and seasonal variations in the atmosphere. These objectives are addressed using three major types of observations. In multispectral mapping mode, with the OSU pointed at planet nadir, data are collected at a subset of 72 wavelengths covering key mineralogic absorptions and binned to pixel footprints of 100 or 200 m/pixel. Nearly the entire planet can be mapped in this fashion. In targeted mode the OSU is scanned to remove most along-track motion, and a region of interest is mapped at full spatial and spectral resolution (15–19 m/pixel, 362–3920 nm at 6.55 nm/channel). Ten additional abbreviated, spatially binned images are taken before and after the main image, providing an emission phase function (EPF) of the site for atmospheric study and correction of surface spectra for atmospheric effects. In atmospheric mode, only the EPF is acquired. Global grids of the resulting lower data volume observations are taken repeatedly throughout the Martian year to measure seasonal variations in atmospheric properties. Raw, calibrated, and map-projected data are delivered to the community with a spectral library to aid in interpretation. Received 22 January 2006; accepted 24 January 2007; published 30 May 2007. Keywords: Mars; spectroscopy; CRISM; MRO; Mars Reconnaissance Orbiter; Mars composition. Index Terms: 6225 Planetary Sciences: Solar System Objects: Mars; 5405 Planetary Sciences: Solid Surface Planets: Atmospheres (0343, 1060); 5410 Planetary Sciences: Solid Surface Planets: Composition (1060, 3672); 5420 Planetary Sciences: Solid Surface Planets: Impact phenomena, cratering (6022, 8136); 5464 Planetary Sciences: Solid Surface Planets: Remote sensing; 5494 Planetary Sciences: Solid Surface Planets: Instruments and techniques. Read Full Article (file size: 3278182 bytes) Cited by Citation: Murchie, S., et al. (2007), Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) on Mars Reconnaissance Orbiter (MRO), J. Geophys. Res., 112, E05S03, doi:10.1029/2006JE002682. Copyright 2007 by the American Geophysical Union.

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