Infrared observations of the Neptunian system

Details Infrared observations of the Neptunian system Infrared observations of the Neptunian system

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989sci...246.1454c&link_type=abstract

Science (ISSN 0036-8075), vol. 246, Dec. 15, 1989, p. 1454-1459.

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91

Emission Spectra, Infrared Interferometers, Infrared Spectroscopy, Neptune Atmosphere, Solar Radiation, Voyager 2 Spacecraft, Abundance, Acetylene, Brightness Temperature, Thermal Emission, Triton, Wind Shear

Scientific paper

Voyager 2's IR observations of Neptune encompass thermal emissions and broadband radiometer measurements of reflected solar radiation. Temperature maps were obtained for the planet between 80 deg S and 30 deg N for two atmospheric layers, one in the lower stratosphere and the other in the troposphere. The relatively warm pole and equator, with cooler midlatitudes, are qualitatively similar to Uranus, despite the two planets' very different obliquities and internal heat fluxes. Powerful wavelike longitudinal thermal structure is noted, of which some appears to be associated with the Great Dark Spot; a localized cold region uncorrelated with any visible feature is found in the lower stratosphere.

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