Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991plas.rept...73k&link_type=abstract
In NASA, Washington, Reports of Planetary Astronomy, 1991 p 73-74 (SEE N92-12792 03-89)
Astronomy and Astrophysics
Astronomy
Astronomical Spectroscopy, Atmospheric Chemistry, Atmospheric Composition, Gas Dynamics, Infrared Astronomy, Infrared Spectroscopy, Line Spectra, Planetary Atmospheres, Abundance, Heterodyning, High Resolution, Infrared Radiation, Photochemical Reactions, Spatial Resolution, Spectral Resolution
Scientific paper
This task supports the application of infrared heterodyne spectroscopy and other high resolution techniques, as well as infrared arrays to ultra-high resolution studies of molecular constituents of planetary atmospheres. High spectral and spatial resolution measurement and analysis of individual spectral lines permits the retrieval of distributions of atmospheric molecular abundances and temperatures and thus, information on local photochemical processes. Determination of absolute line positions to better than 10-8 permits direct measurement of gas velocities to a few m/sec and thus, the study of dynamics. Observations are made from ground based observatories.
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