Early Results from the Lunar Prospector Gamma-Ray Spectrometer

Details Early Results from the Lunar Prospector Gamma-Ray Spectrometer Early Results from the Lunar Prospector Gamma-Ray Spectrometer

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998nvmi.conf...50l&link_type=abstract

Workshop on New Views of the Moon: Integrated Remotely Sensed, Geophysical, and Sample Datasets, p. 50

Physics

Lunar Composition, Selenology, Lunar Geology, Lunar Surface, Chemical Elements, Geochemistry, Cosmochemistry, Gamma Ray Spectrometers, Lunar Prospector

Scientific paper

One of the instruments onboard the recently launched Lunar Prospector spacecraft is a Gamma-Ray Spectrometer (GRS) designed to map the surface elemental composition of the Moon. Specifically, the objectives of the GRS are to map abundances of Fe, Ti, U, Th, K, Si, O, Mg, Al, and Ca The GRS consists of a bismuthn germanate (BGO) crystal placed within a well-shape borated plastic scintillator anti-coincidence (ACS) shield. Events triggering only the BGO and ACS are labeled as rejected events. BGO spectra for both accepted and rejected events are telemetered to the ground for later analysis. These spectra have integration periods of 32 s and are continuously collected throughout the mission.

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