VLA observations of Jupiter at 1.3 - 20 CM wavelengths

Details VLA observations of Jupiter at 1.3 - 20 CM wavelengths VLA observations of Jupiter at 1.3 - 20 CM wavelengths

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986joat.conf...53d&link_type=abstract

In NASA. Goddard Inst. for Space Studies The Jovian Atmospheres p 53-55 (SEE N87-17598 09-91)

Computer Science

Ammonia, Atmospheric Radiation, Jupiter Atmosphere, Vertical Distribution, Atmospheric Models, Chemical Clouds, Latitude, Synchrotron Radiation

Scientific paper

In order to study the vertical distribution of ammonia as a function of Jovian latitude, high resolution images were obtained with the VLA at 1.3, 2, 6 and 20 cm wavelengths. Although the interpretation of the data is quite complicated due to Jupiter's synchrotron radiation, which in fact is the dominant source of radiation at 29 cm, the belt-zone structure is clearly present at 2 and 6 cm wavelengths. At 1.3 cm near the center of the ammonia band, the structure is less pronounced, and at 20 cm it is absent. The data is currently being fitted with model atmosphere calculations. Since one probes in and through the visible cloud layers at these wavelengths (temperatures of 135 to 400 K), and the opacity is likely all provided by ammonia gas, a detailed vertical distribution of this gas can be obtained as a function of Jovian latitude. This ought to give insight in the formation processes of the white cloud layers in the zones and their absence above the belts.

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