Submillimeter observations of CO in Mars' atmosphere

Details Submillimeter observations of CO in Mars' atmosphere Submillimeter observations of CO in Mars' atmosphere

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991p%26ss...39..209l&link_type=abstract

(Colloquium on Phobos-Mars Mission, Paris, France, Oct. 23-27, 1989, Proceedings. A91-29558 11-91) Planetary and Space Science (

Computer Science

5

Atmospheric Composition, Carbon Monoxide, Mars Atmosphere, Mars Probes, Rotational Spectra, Millimeter Waves, Spatial Distribution, Temperature Distribution, Temporal Distribution, Upper Atmosphere, Mars, Atmosphere, Carbon Monoxide, Structure, Earth-Based Observations, Thermal Properties, Analysis, Mixing Ratio, Frequencies, Description

Scientific paper

The ability of submillimeter CO lines to probe the tenuous layers of Mars' atmosphere is illustrated. The first observation of the J = 3-2 CO line on Mars is presented. The observation was made at 345 GHz (a beam size of 21 arcsec at half-power) on January 3, 1989 with the 10.4 m CSO telescope at Mauna Kea. A brightness temperature contrast of 40.5 K at the line center and 1.2 MHz resolution is determined. It is noted that this study, which makes use of a single line, must be understood as preliminary in nature.

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