Computer Science
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..19.1287e&link_type=abstract
Advances in Space Research, Volume 19, Issue 8, p. 1287-1287.
Computer Science
Scientific paper
Some minor molecules of the Jovian troposphere, such as PH_3, GeH_4, AsH_3 and CO, observed in the Jovian spectrum in the 5 μm window, are known to be disequilibrium species, tracers of vertical tropospheric motions. The mapping of these species and their monitoring as a function of time can thus provide important new informations about the Jovian dynamics. Such a study is going to be performed with the NIMS instrument (Near-Infrared Mapping Spectrometer) of the Galileo orbiter, which will cover the 0.7-5.2 μm range with a resolving power of 270. In complement to this study, ground-based measurements have been obtained at the ESO 3.5m NTT telescope, using the IRSPEC imaging spectrometer, with a resolving power of about 3000. In June 1995, a complete mapping of a PH_3 line and a H_2O line at 5.07 μm has been performed from pole to pole over half of the Jovian rotation. Results of these observations will be presented. New observations are planned in 1996.
Carlson Richard W.
Drossart Pierre
Encrenaz Th.
Hsiuming C.
Roos Matts
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