High Resolution Infrared Spectroscopy From Space: Preliminary Results Of The Atms Experiment On Spacelab-3

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Abstract
A high-resolution FTIR spectrometer had its first flight in May of this year as part of the Spacelab-3 science pay-load. The experiment - Atmospheric Trace Molecule Spectroscopy (ATMOS) - is designed to obtain fundamental information related to the physical and chemical structure of the Earth's upper atmosphere (from 15 to 150 km altitude). There are two major aspects to the investi-gation: the first is the determination of the detailed composition of the stratosphere and mesosphere, and its global, seasonal and long-term variability; the second is the study of the partitioning of solar energy at levels in the atmosphere characterized by dissociation of the constituents and by the breakdown of thermodynamic equilibrium.

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