Charge-coupled device imaging spectroscopy of Mars. I - Instrumentation and data reduction/analysis procedures

Details Charge-coupled device imaging spectroscopy of Mars. I - Instrumentation and data reduction/analysis procedures Charge-coupled device imaging spectroscopy of Mars. I - Instrumentation and data reduction/analysis procedures

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992exa.....2..287b&link_type=abstract

Experimental Astronomy (ISSN 0922-6435), vol. 2, no. 5, p. 287-306.

Astronomy and Astrophysics

Astronomy

3

Astronomical Photography, Astronomical Spectroscopy, Charge Coupled Devices, Imaging Spectrometers, Mars (Planet), Albedo, Mars Environment, Mars Surface, Near Ultraviolet Radiation

Scientific paper

This paper describes the collection, reduction, and analysis of 0.4-1.0-micron Mars imaging spectroscopy data obtained during the 1988 and 1990 oppositions from Mauna Kea Observatory and provides a general outline for the acquisition and analysis of similar imaging spectroscopy data sets. The U.H. 2.24-m Wide Field Grism CCD Spectrograph was used to collect 13 3D image cubes covering 90 percent of the planet south of 50 deg N in the 0.4-0.8 micron region and covering 55 percent of the planet south of 50 deg N in the 0.5-1.0 micron region. Spectra extracted from these image cubes reveal the detailed character of the Martian near-UV to visible spectrum. Images at red wavelengths reveal the 'classical' albedo markings at 100-500 km spatial resolution while images at blue wavelengths show little surface feature contrast and are dominated by condensate clouds/hazes and polar ice.

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