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Christopher D. Hash
Researcher at Johns Hopkins University Applied Physics Laboratory
Publications - 41
Citations - 2889
Christopher D. Hash is an academic researcher from Johns Hopkins University Applied Physics Laboratory. The author has contributed to research in topics: CRISM & Mars Exploration Program. The author has an hindex of 14, co-authored 40 publications receiving 2504 citations.
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Journal ArticleDOI
Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) on Mars Reconnaissance Orbiter (MRO)
Scott L. Murchie,Raymond E. Arvidson,Peter D. Bedini,K. Beisser,Jean-Pierre Bibring,Janice L. Bishop,John D. Boldt,P. Cavender,T. Choo,R. T. Clancy,E. H. Darlington,David J. Des Marais,R. C. Espiritu,D. Fort,Robert O. Green,Edward A. Guinness,John Hayes,Christopher D. Hash,K. J. Heffernan,J. Hemmler,Gene A. Heyler,David C. Humm,J. Hutcheson,Noam R. Izenberg,R. Lee,J. Lees,D. A. Lohr,Erick Malaret,Terry Z. Martin,J. A. McGovern,Patrick C. McGuire,Richard V. Morris,John F. Mustard,Shannon M. Pelkey,Edgar A. Rhodes,Mark S. Robinson,Ted L. Roush,Edward D. Schaefer,G. Seagrave,Frank P. Seelos,P. Silverglate,S. Slavney,M. D. Smith,W. J. Shyong,K. Strohbehn,H. W. Taylor,P. Thompson,B. Tossman,M. Wirzburger,M. J. Wolff +49 more
TL;DR: The Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) is a hyperspectral imager on the Mars Reconnaissance Orbiter (MRO) spacecraft as discussed by the authors, which consists of three subassemblies, a gimbaled Optical Sensor Unit (OSU), a Data Processing Unit (DPU), and the Gimbal Motor Electronics (GME).
Journal ArticleDOI
Hydrated silicate minerals on Mars observed by the Mars Reconnaissance Orbiter CRISM instrument
John F. Mustard,Scott L. Murchie,S. M. Pelkey,Bethany L. Ehlmann,Ralph E. Milliken,John A. Grant,Jean-Pierre Bibring,François Poulet,Janice L. Bishop,E. Z. Noe Dobrea,Leah H. Roach,Frank P. Seelos,Raymond E. Arvidson,Sandra M. Wiseman,Robert O. Green,Christopher D. Hash,David C. Humm,Erick Malaret,J. A. McGovern,Kimberly D. Seelos,Thomas E. Clancy,Roger N. Clark,David J. Des Marais,Noam R. Izenberg,A. T. Knudson,Yves Langevin,Terry Z. Martin,Patrick C. McGuire,Renée Morris,Mark S. Robinson,Ted L. Roush,M. D. Smith,Gregg A. Swayze,H. W. Taylor,Timothy N. Titus,M. J. Wolff +35 more
TL;DR: The diversity of phyllosilicate mineralogy is expanded with the identification of kaolinite, chlorite and illite or muscovite, and a new class of hydrated silicate (hydrated silica).
Journal ArticleDOI
The Mercury Dual Imaging System on the MESSENGER Spacecraft
S. Edward Hawkins,John D. Boldt,E. H. Darlington,R. C. Espiritu,Robert E. Gold,B.L. Gotwols,M. P. Grey,Christopher D. Hash,John Hayes,Steven E. Jaskulek,Charles J. Kardian,M. R. Keller,Erick Malaret,Scott L. Murchie,Patricia K. Murphy,Keith Peacock,Louise M. Prockter,R. Alan Reiter,Mark S. Robinson,Edward D. Schaefer,Richard G. Shelton,R. E. Sterner,H. W. Taylor,Thomas R. Watters,Bruce D. Williams +24 more
TL;DR: MDIS will acquire four main data sets at Mercury during three flybys and the two-Mercury-solar-day nominal mission: a monochrome global image mosaic at near-zero emission angles and moderate incidence angles, a stereo-complement map at off-nadir geometry and near-identical lighting, multicolor images at low incidence angles and targeted high-resolution images of key surface features.
Journal ArticleDOI
Compact Reconnaissance Imaging Spectrometer for Mars investigation and data set from the Mars Reconnaissance Orbiter's primary science phase
Scott L. Murchie,Frank P. Seelos,Christopher D. Hash,David C. Humm,Erick Malaret,J. Andrew McGovern,T. Choo,Kimberly D. Seelos,Debra Buczkowski,M. Frank Morgan,Olivier S. Barnouin-Jha,H. Nair,H. W. Taylor,G. W. Patterson,Christopher A. Harvel,John F. Mustard,Raymond E. Arvidson,Patrick C. McGuire,Patrick C. McGuire,Michael D. Smith,Michael J. Wolff,Timothy N. Titus,Jean-Pierre Bibring,François Poulet +23 more
TL;DR: The part of the Compact Reconnaissance Imaging Spectrometer (CRISM) for Mars investigation conducted during the Mars Reconnaissance Orbiter's (MRO's) primary science phase was a comprehensive investigation of past aqueous environments, structure of the planet's crust, past climate, and current meteorology as mentioned in this paper.
Journal ArticleDOI
Mineralogy and stratigraphy of phyllosilicate‐bearing and dark mantling units in the greater Mawrth Vallis/west Arabia Terra area: Constraints on geological origin
E. Z. Noe Dobrea,E. Z. Noe Dobrea,Janice L. Bishop,Nancy K. McKeown,Roger R. Fu,Christopher M. Rossi,Joseph R. Michalski,Joseph R. Michalski,C. Heinlein,V. Hanus,Francois Poulet,R. J. F. Mustard,Scott L. Murchie,Alfred S. McEwen,Gregg A. Swayze,Jean-Pierre Bibring,Erick Malaret,Christopher D. Hash +17 more
TL;DR: In this paper, an analysis of MRO/CRISM images of the greater Mawrth Vallis region of Mars confirms the presence of two primary phyllosilicate assemblages throughout a region ∼1000 × 1000 km.