Features In Reflectance Spectra Of Meteorites And Their Relation To Physical Properties

Details Features In Reflectance Spectra Of Meteorites And Their Relation To Physical Properties Features In Reflectance Spectra Of Meteorites And Their Relation To Physical Properties

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.6816p&link_type=abstract

American Astronomical Society, DPS meeting #41, #68.16

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Reflectance spectra of 27 meteorites, representing undifferentiated (C, H, L, LL and E) to differentiated meteorites, were obtained using a spectrometer at the Geological Survey of Finland. Features in the reflectance spectra were explored to determine if they reveal diagnostic features among the various meteorite groups and subgroups, if they correlate with meteorite physical properties (e.g. mineralogy, density, porosity or magnetic susceptibility) or with weathering or shock degree. A method was developed using splines and principle component analysis to group the spectra. We report on our findings and suggest how our techniques may be useful when applied to asteroid observations.

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