Other
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27...87b&link_type=abstract
Lunar and Planetary Science, volume 27, page 87
Other
Hubble Space Telescope, Imaging, Mars, Mineralogy
Scientific paper
We used the Hubble Space Telescope (HST) Wide Field/Planetary Camera-2 (WFPC2) to take images of Mars on UT 23-26 February and 11 April 1995, just after opposition. Mars was imaged using the Planetary Camera and discrete filters at ultraviolet (160, 255, 336 nm) and near infrared (1042 nm) wavelengths to place improved constraints on the airborne dust and ice optical depths and the ozone column abundances. These images are also being used to produce high-spatial resolution maps of the surface CO2 and H2O frost deposits and other surface albedo features. We also imaged Mars using the WFPC2's Linear Ramp Filter (LRF) in order to spatially map variations in the surface and dust ferric and ferrous iron mineralogy. The LRF is a continuously variable narrowband filter that allows 1.25% spectral resolution images to be obtained at nearly any wavelength between 370 and 980 nm. An HST command interpretation error prevented us from obtaining the exact LRF wavelengths that we requested; however, LRF images were obtained at 565, 619, 640, 724, 850, 870, 889, and 918 nm.
Bell James Francis III
Crisp Dave
Switala A. E.
WFPC2 Science Team
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