The X-ray spectrometer on the MESSENGER spacecraft

Charles E. Schlemm, Richard D. Starr, George C. Ho, Kathryn E. Bechtold, Sarah A. Hamilton, John D. Boldt, William V. Boynton, Walter Bradley, Martin E. Fraeman, Robert E. Gold, John O. Goldsten, John R. Hayes, Stephen E. Jaskulek, Egidio Rossano, Robert A. Rumpf, Edward D. Schaefer, Kim Strohbehn, Richard G. Shelton, Raymond E. Thompson, Jacob I. Trombka & 1 others Bruce D. Williams

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

NASA's MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging) mission will further the understanding of the formation of the planets by examining the least studied of the terrestrial planets, Mercury. During the one-year orbital phase (beginning in 2011) and three earlier flybys (2008 and 2009), the X-Ray Spectrometer (XRS) onboard the MESSENGER spacecraft will measure the surface elemental composition. XRS will measure the characteristic X-ray emissions induced on the surface of Mercury by the incident solar flux. The Kα lines for the elements Mg, Al, Si, S, Ca, Ti, and Fe will be detected. The 12° field-of-view of the instrument will allow a spatial resolution that ranges from 42 km at periapsis to 3200 km at apoapsis due to the spacecraft's highly elliptical orbit. XRS will provide elemental composition measurements covering the majority of Mercury's surface, as well as potential high-spatial-resolution measurements of features of interest. This paper summarizes XRS's science objectives, technical design, calibration, and mission observation strategy.

Original languageEnglish (US)
Pages (from-to)393-415
Number of pages23
JournalSpace Science Reviews
Volume131
Issue number1-4
DOIs
StatePublished - Aug 2007

Fingerprint

Mercury surface
aerospace environments
geochemistry
spacecraft
spectrometer
spectrometers
x rays
spatial resolution
elliptical orbits
solar flux
K lines
terrestrial planets
Mercury (planet)
field of view
planets
coverings
orbitals
planet
mercury
high resolution

Keywords

  • Elemental composition
  • Mercury
  • MESSENGER
  • Surface composition
  • X-ray emissions
  • X-ray spectrometry

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science
  • Physics and Astronomy (miscellaneous)

Cite this

Schlemm, C. E., Starr, R. D., Ho, G. C., Bechtold, K. E., Hamilton, S. A., Boldt, J. D., ... Williams, B. D. (2007). The X-ray spectrometer on the MESSENGER spacecraft. Space Science Reviews, 131(1-4), 393-415. https://doi.org/10.1007/s11214-007-9248-5

The X-ray spectrometer on the MESSENGER spacecraft. / Schlemm, Charles E.; Starr, Richard D.; Ho, George C.; Bechtold, Kathryn E.; Hamilton, Sarah A.; Boldt, John D.; Boynton, William V.; Bradley, Walter; Fraeman, Martin E.; Gold, Robert E.; Goldsten, John O.; Hayes, John R.; Jaskulek, Stephen E.; Rossano, Egidio; Rumpf, Robert A.; Schaefer, Edward D.; Strohbehn, Kim; Shelton, Richard G.; Thompson, Raymond E.; Trombka, Jacob I.; Williams, Bruce D.

In: Space Science Reviews, Vol. 131, No. 1-4, 08.2007, p. 393-415.

Research output: Contribution to journalArticle

Schlemm, CE, Starr, RD, Ho, GC, Bechtold, KE, Hamilton, SA, Boldt, JD, Boynton, WV, Bradley, W, Fraeman, ME, Gold, RE, Goldsten, JO, Hayes, JR, Jaskulek, SE, Rossano, E, Rumpf, RA, Schaefer, ED, Strohbehn, K, Shelton, RG, Thompson, RE, Trombka, JI & Williams, BD 2007, 'The X-ray spectrometer on the MESSENGER spacecraft', Space Science Reviews, vol. 131, no. 1-4, pp. 393-415. https://doi.org/10.1007/s11214-007-9248-5
Schlemm CE, Starr RD, Ho GC, Bechtold KE, Hamilton SA, Boldt JD et al. The X-ray spectrometer on the MESSENGER spacecraft. Space Science Reviews. 2007 Aug;131(1-4):393-415. https://doi.org/10.1007/s11214-007-9248-5
Schlemm, Charles E. ; Starr, Richard D. ; Ho, George C. ; Bechtold, Kathryn E. ; Hamilton, Sarah A. ; Boldt, John D. ; Boynton, William V. ; Bradley, Walter ; Fraeman, Martin E. ; Gold, Robert E. ; Goldsten, John O. ; Hayes, John R. ; Jaskulek, Stephen E. ; Rossano, Egidio ; Rumpf, Robert A. ; Schaefer, Edward D. ; Strohbehn, Kim ; Shelton, Richard G. ; Thompson, Raymond E. ; Trombka, Jacob I. ; Williams, Bruce D. / The X-ray spectrometer on the MESSENGER spacecraft. In: Space Science Reviews. 2007 ; Vol. 131, No. 1-4. pp. 393-415.
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