Journal ArticleDOI
Instrument Calibrations and Data Analysis Procedures for the NEAR X-Ray Spectrometer
R. D. Starr,Pamela Elizabeth Clark,M. E. Murphy,S. R. Floyd,T. P. McClanahan,Larry R. Nittler,Jacob I. Trombka,Larry G. Evans,William V. Boynton,Samuel Bailey,J. S. Bhangoo,I. Mikheeva,J. Brückner,S. W. Squyres,E. McCartney,John O. Goldsten,Ralph L. McNutt +16 more
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TLDR
The X-ray spectrometer onboard the Near Earth Asteroid Rendezvous spacecraft will measure X-rays from the surface of 433 Eros in the energy region 0.7-10 keV as discussed by the authors.About:
This article is published in Icarus.The article was published on 2000-10-01. It has received 28 citations till now. The article focuses on the topics: Spectrometer.read more
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Journal ArticleDOI
Chemical heterogeneity on Mercury's surface revealed by the MESSENGER X-Ray Spectrometer
Shoshana Z. Weider,Larry R. Nittler,R. Starr,R. Starr,Timothy J. McCoy,Karen R. Stockstill-Cahill,Paul K. Byrne,Brett W. Denevi,James W. Head,Sean C. Solomon,Sean C. Solomon +10 more
TL;DR: In this paper, the analysis of 205 spatially resolved measurements of the surface composition of Mercury from MESSENGER's X-Ray Spectrometer is presented, and the surface footprints of these measurements are categorized according to geological terrain.
Journal ArticleDOI
Evidence for geochemical terranes on Mercury: Global mapping of major elements with MESSENGER's X-Ray Spectrometer
Shoshana Z. Weider,Larry R. Nittler,R. D. Starr,E. J. Crapster-Pregont,E. J. Crapster-Pregont,Patrick N. Peplowski,Brett W. Denevi,James W. Head,Paul K. Byrne,Paul K. Byrne,Steven A. Hauck,Denton S. Ebel,Denton S. Ebel,Sean C. Solomon,Sean C. Solomon +14 more
TL;DR: In this article, the major-element composition of the surface of Mercury was mapped from orbital MESSENGER X-Ray Spectrometer measurements, and the results revealed highly variable compositions (e.g., Mg/Si and Al/Si range over 0.1 − 0.8 and 0.4, respectively).
Chemical heterogeneity on Mercury's surface revealed by the MESSENGER X-Ray Spectrometer
Shoshana Z. Weider,Larry R. Nittler,R. Starr,R. Starr,Timothy J. McCoy,Karen R. Stockstill-Cahill,Paul K. Byrne,Brett W. Denevi,James W. Head,Sean C. Solomon,Sean C. Solomon +10 more
TL;DR: In this article, the analysis of 205 spatially resolved measurements of the surface composition of Mercury from MESSENGER's X-Ray Spectrometer is presented, and the surface footprints of these measurements are categorized according to geological terrain.
Journal ArticleDOI
X-rays from solar system objects
Anil Bhardwaj,Ronald F. Elsner,G. Randall Gladstone,Thomas E. Cravens,Carey M. Lisse,Konrad Dennerl,Graziella Branduardi-Raymont,Bradford J. Wargelin,J. Hunter Waite,Ina Robertson,Nikolai Østgaard,Peter Beiersdorfer,Steven L. Snowden,Vasili Kharchenko +13 more
TL;DR: In this paper, the authors present a review of the X-ray emission from the solar system bodies, excluding the Sun, and an overview of the main source mechanisms of Xray production at each object.
Journal ArticleDOI
The X-Ray Spectrometer on the MESSENGER Spacecraft
C. E. Schlemm,R. D. Starr,George C. Ho,K. Bechtold,Sarah A. Hamilton,John D. Boldt,William V. Boynton,Walter Bradley,Martin Fraeman,Robert E. Gold,John O. Goldsten,John Hayes,S. E. Jaskulek,Egidio Rossano,Robert A. Rumpf,Edward D. Schaefer,K. Strohbehn,Richard G. Shelton,Raymond E. Thompson,Jacob I. Trombka,Bruce D. Williams +20 more
TL;DR: The X-Ray Spectrometer (XRS) onboard the MESSENGER spacecraft has been used to measure the surface elemental composition of the terrestrial planets by observing the Kα lines for the elements Mg, Al, Si, S, Ca, Ti and Fe as discussed by the authors.
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Related Papers (5)
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The elemental composition of asteroid 433 Eros: Results of the NEAR-Shoemaker X-ray spectrometer
J. Trombka,S. W. Squyres,J. Brückner,William V. Boynton,Robert C. Reedy,Timothy J. McCoy,P. Gorenstein,Larry G. Evans,James R. Arnold,R. D. Starr,Larry R. Nittler,M. E. Murphy,I. Mikheeva,Ralph L. McNutt,T. P. McClanahan,E. McCartney,John O. Goldsten,Robert E. Gold,S. R. Floyd,Pamela Elizabeth Clark,Thomas H. Burbine,J. S. Bhangoo,Samuel Bailey,M. Petaev +23 more
The X-Ray Spectrometer on the MESSENGER Spacecraft
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