Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981icar...48..283t&link_type=abstract
Icarus, vol. 48, Nov. 1981, p. 283-289. NSF-supported research;
Astronomy and Astrophysics
Astronomy
51
Atmospheric Chemistry, Cyanides, Hydrogen Compounds, Jupiter Atmosphere, Molecular Absorption, Reaction Kinetics, Absorption Spectroscopy, Atmospheric Radiation, Infrared Absorption, Photolysis, Stratosphere, Troposphere, Jupiter, Hydrogen Cyanide, Origin, Formation, Abundance, Photolysis, Atmosphere, Stratosphere, Troposphere, Saturn, Earth-Based Observations, Density, Methane, Ammonia, Photochemistry, Position (Location), Astronomy, Procedure
Scientific paper
The detection of HCN on Jupiter is reported. Three R-branch lines of the nu-2 fundamental of HCN near 13.5 microns were observed in absorption, from which the HCN column density is inferred to be 0.005 cm-am with an uncertainty of a factor of two. If emission from the stratosphere exists, then the derived column density is only a lower limit. It is suggested that the Jovian HCN most likely originates from the photolysis of CH4 and NH3 in the lower stratosphere and upper troposphere. In addition, an upper limit of 0.025 cm-am was established for the column density of HCN on Saturn.
Beck Sara C.
Geballe Thomas Ronald
Lacy John H.
Serabyn Eugen
Tokunaga Alan T.
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