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Title:
First CRISM Observations of Mars
Authors:
Murchie, S.; Arvidson, R.; Bedini, P.; Beisser, K.; Bibring, J.; Bishop, J.; Brown, A.; Boldt, J.; Cavender, P.; Choo, T.; Clancy, R. T.; Darlington, E. H.; Des Marais, D.; Espiritu, R.; Fort, D.; Green, R.; Guinness, E.; Hayes, J.; Hash, C.; Heffernan, K.; Humm, D.; Hutcheson, J.; Izenberg, N.; Lees, J.; Malaret, E.; Martin, T.; McGovern, J. A.; McGuire, P.; Morris, R.; Mustard, J.; Pelkey, S.; Robinson, M.; Roush, T.; Seelos, F.; Seelos, K.; Slavney, S.; Smith, M.; Shyong, W. J.; Strohbehn, K.; Taylor, H.; Wirzburger, M.; Wolff, M.
Affiliation:
AA(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AB(Washington University, One Brookings Drive, Campus Box 1169, St. Louis, MO 63130 United States ; ), AC(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AD(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AE(Institut d'Astrophysique Spatiale, Univ. Paris Sud, Orsay, 91405 France ; ), AF(NASA ARC, MS 245-3, Moffett Field, CA 94035 United States ; ), AG(NASA ARC, MS 245-3, Moffett Field, CA 94035 United States ; ), AH(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AI(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AJ(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AK(Space Science Institute, 4750 Walnut Street, Suite 205, Boulder, CO 80301 United States ; ), AL(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AM(NASA ARC, MS 245-3, Moffett Field, CA 94035 United States ; ), AN(Applied Coherent Technology, 112 Elden St., Suite K, Herndon, VA 20170 United States ; ), AO(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AP(NASA JPL, 4800 Oak Grove Drive, Pasadena, CA 91109 United States ; ), AQ(Washington University, One Brookings Drive, Campus Box 1169, St. Louis, MO 63130 United States ; ), AR(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AS(Applied Coherent Technology, 112 Elden St., Suite K, Herndon, VA 20170 United States ; ), AT(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AU(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AV(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AW(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AX(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), AY(Applied Coherent Technology, 112 Elden St., Suite K, Herndon, VA 20170 United States ; ), AZ(NASA JPL, 4800 Oak Grove Drive, Pasadena, CA 91109 United States ; ), BA(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), BB(Washington University, One Brookings Drive, Campus Box 1169, St. Louis, MO 63130 United States ; ), BC(NASA JSC, Code KR, Houston, TX 77058 United States ; ), BD(Brown University, 124 Brook St., Providence, RI 02912 United States ; ), BE(Brown University, 124 Brook St., Providence, RI 02912 United States ; ), BF(Arizona State University, Department of Geological Sciences, Tempe, AZ 85287 United States ; ), BG(NASA ARC, MS 245-3, Moffett Field, CA 94035 United States ; ), BH(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), BI(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), BJ(Washington University, One Brookings Drive, Campus Box 1169, St. Louis, MO 63130 United States ; ), BK(NASA GSFC, The Lab for Terrestrial Physics, Code 920, Greenbelt, MD 20771 United States ; ), BL(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), BM(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), BN(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), BO(Applied Physics Laboratory, 11100 Johns Hopkins Rd., Laurel, MD 20723 United States ; ), BP(Space Science Institute, 4750 Walnut Street, Suite 205, Boulder, CO 80301 United States ; )
Publication:
American Geophysical Union, Fall Meeting 2006, abstract #P33A-04
Publication Date:
12/2006
Origin:
AGU
AGU Keywords:
5400 PLANETARY SCIENCES: SOLID SURFACE PLANETS, 5405 Atmospheres (0343, 1060), 5410 Composition (1060, 3672), 5470 Surface materials and properties, 6225 Mars
Bibliographic Code:
2006AGUFM.P33A..04M

Abstract

CRISM will make its first observations of Mars from MRO in late September 2006, and regular science observations begin in early November. CRISM is a gimbaled, hyperspectral imager whose 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 the multispectral survey, with the gimbal 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 per pixel. Nearly the entire planet will be mapped in this fashion. In targeted orservations, the gimbal is scanned to remove most along-track motion, and a region of interest is mapped at full spatial and spectral resolution (15-19 m per pixel, 362-3920 nm at 6.55 nm per 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. CRISM has undergone calibrations during its cruise to Mars using internal sources, including a closed loop controlled integrating sphere that serves as a radiometric reference. On 26 September a protective lens cover will be deployed. First data from Mars will focus on targeted observations of Phoenix and MER, targeted observations of sulfate- and phyllosilicate-containing sites identified by Mars Express per OMEGA, acquisition of initial EPF grids, and multispectral survey of the northern plains. Our presentation will discuss first results from targeted observations and multispectral mapping. Data processing and first analysis of EPFs will be discussed in companion abstracts.
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