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Long-Slit Spectra of Mars in the Thermal InfraredWe have obtained long-slit spectra of Mars in the 7-14 micrometer regime. Our two integrations, taken 1993 March 2, are spaced about 2 hours apart and are centered at longitudes of roughly 210 and 240 degrees. The data cover the Elysium Planitia and volcanic regions, the classical dark albedo regions of Cerburus and central and eastern Hesperia, and the classical bright albedo region Utopia Planitia. We have deconvolved the point spread function from the images using a maximum entropy reconstruction algorithm; the resulting spatial resolution of the images is better than 1". Mars occupies approximately 9" of the slit, and we have detected variations in the spectral emission from different areas of the planet. We are in the process of interpreting these spectral variations in terms of the temperature and composition of the surface and the transmission of the Martian atmospheric dust and gases.
Document ID
20020019232
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
Rowland, C. M.
(Stetson Univ. De Land, FL United States)
Sloan, G. C.
(NASA Ames Research Center Moffett Field, CA United States)
Roush, T.
(NASA Ames Research Center Moffett Field, CA United States)
Witteborn, Fred C.
Date Acquired
August 20, 2013
Publication Date
January 1, 1994
Subject Category
Lunar And Planetary Science And Exploration
Meeting Information
Meeting: 185th American Astronomical Society Meeting
Location: Tucson, AZ
Country: United States
Start Date: January 8, 1995
End Date: January 13, 1995
Sponsors: American Astronomical Society
Funding Number(s)
PROJECT: RTOP 352-02-03-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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