Statistics – Computation
Scientific paper
Jun 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jgre..11600g15h&link_type=abstract
Journal of Geophysical Research, Volume 116, CiteID E00G15
Statistics
Computation
4
Planetary Sciences: Solid Surface Planets: Surface Materials And Properties
Scientific paper
Changes in observed photometric intensity on a planetary surface are caused by variations in local viewing geometry defined by the radiance incidence, emission, and solar phase angle coupled with a wavelength-dependent surface phase function f(α, λ) which is specific for a given terrain. In this paper we provide preliminary empirical models, based on data acquired inflight, which enable the correction of Moon Mineralogy Mapper (M3) spectral images to a standard geometry with the effects of viewing geometry removed. Over the solar phase angle range for which the M3 data were acquired our models are accurate to a few percent, particularly where thermal emission is not significant. Our models are expected to improve as additional refinements to the calibrations occur, including improvements to the flatfield calibration; improved scattered and stray light corrections; improved thermal model corrections; and the computation of more accurate local incident and emission angles based on surface topography.
Besse Sebastien
Boardman Joseph
Buratti Bonnie Jean
Hicks Murray D.
Nettles Jeff
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