The LRO Diviner Lunar Radiometer Compositional Investigation After One Year of Mapping

Details The LRO Diviner Lunar Radiometer Compositional Investigation After One Year of Mapping The LRO Diviner Lunar Radiometer Compositional Investigation After One Year of Mapping

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dps....42.1804g&link_type=abstract

American Astronomical Society, DPS meeting #42, #18.04; Bulletin of the American Astronomical Society, Vol. 42, p.979

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Scientific paper

During its first year of mapping (which ended on September 14, 2010), the LRO Diviner lunar radiometer has enabled new insights into lunar surface composition. Diviner has three channels near 8 microns (7.81, 8.28, and 8.55) designed to characterize the Christiansen feature (CF) of lunar soils. To date, Diviner has placed important new constraints on lunar compositional diversity including the identification of areas with pure anorthite plagioclase feldspar, non-anorthite feldspar, and high silica contents. Additionally, Diviner data do not show strong evidence for kilometer scale extremely olivine-rich and feldspar-poor exposures or regional expressions of iron-poor, Mg-suite mafic materials. Diviner observations of Apollo sites have been compared to returned soils. Diviner mid-infrared data have been shown to be affected by soil maturity, which was not expected based on previous literature. Diviner data are also strongly dependent on latitude and lunar local time, which is likely caused by anisothermality. This presentation will summarize these and other efforts by the Diviner compositional investigation team.

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