Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993icar..104....2b&link_type=abstract
Icarus (ISSN 0019-1035), vol. 104, no. 1, p. 2-19.
Astronomy and Astrophysics
Astronomy
42
Astronomical Spectroscopy, Imaging Spectrometers, Infrared Astronomy, Infrared Spectroscopy, Mars (Planet), Near Infrared Radiation, Absorption Spectra, Albedo, Radiative Transfer, Spectral Reflectance
Scientific paper
The initial results of a NIR spectral imaging study conducted from Mauna Kea Observatory during the 1990 opposition are presented. The study's main goals were to determine whether it is possible to map and monitor subtle variations in surface and atmospheric components on Mars from ground-based observations and to constrain Mars surface and airborne dust composition. Small variations near 2.3 microns include both atmospheric (CO) and surface/dust mineral absorption, although the data cannot yet accurately discriminate these components or assess their relative contributions. The present data set, even after preliminary calibration steps, demonstrates the potential of the Mars imaging spectroscopic observations in the near-IR. Focused ground-based telescopic studies in selected wavelength regions accompanied by detailed high spectral resolution atmospheric modeling will allow the mapping and monitoring of surface minerals, atmospheric aerosols, and atmospheric trace gases.
Bell James Francis III
Crisp David
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