Abstracts for fall meeting of the Japanese Society for Planetary Science
Abstracts 2004 Fall Meeting of the Japanese Society for Planetary Sciences
Session ID : 101
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Oral session 1: Oct. 14, 09:00-10:31
Near-Infrared Emissivity of Venus Surface Observed by the Galileo NIMS
*George HashimotoMaarten Roos-SeroteSeiji Sugita
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Abstract
We evaluate the spatial variation of venusian surface emissivity at 1.18 um wavelength using multispectral images obtained by the Near-Infrared Mapping Spectrometer (NIMS) on board the Galileo spacecraft. To analyze the NIMS observations, synthetic spectra have been generated by means of a line-by-line radiative transfer program which includes both scattering and absorption. A modulation of emission by the cloud opacities is removed using simultaneously measured 1.74 and 2.3 um radiances.
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© 2004 The Japanese Society for Planetary Science
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