First results of ISO-SWS observations of Jupiter.

Details First results of ISO-SWS observations of Jupiter. First results of ISO-SWS observations of Jupiter.

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...315l.397e&link_type=abstract

Astronomy and Astrophysics, v.315, p.L397-L400

Astronomy and Astrophysics

Astrophysics

60

Planets, Jupiter, Infrared: Solar System

Scientific paper

The spectrum of Jupiter has been recorded between 2.75 and 14.5μm with the grating mode of the Short-Wavelength Spectrometer (SWS) of ISO. The resolving power is 1500. The main preliminary results of this observation are (1) at 3μm, the first spectroscopic signature, probably associated with NH_3_ ice, of the Jovian cloud at 0.5 bar and (2) the first detection of a thermal emission at the center of the CH_4_-ν_3_ band at 3.3μm, showing evidence for a high temperature in the upper jovian stratosphere (T=800K at P=0.16 microbar). In addition, the R(2) HD line has been detected for the first time in Jupiter, using the Fabry-Perot (FP) mode of the SWS, with a resolving power of 31000. A preliminary analysis of the HD line indicates a D/H ratio of about 2.2x10^-5^.

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