Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986icar...66..579b&link_type=abstract
Icarus (ISSN 0019-1035), vol. 66, June 1986, p. 579-609.
Astronomy and Astrophysics
Astronomy
69
Abundance, Airborne Equipment, Astronomical Spectroscopy, Gas Composition, Jupiter Atmosphere, Radiative Transfer, Troposphere, Ammonia, Methane, Molecular Spectra
Scientific paper
It is pointed out that Jupiter's 5-micron spectrum is a very diagnostic observational tool to probe the troposphere of this giant planet. A report is presented of abundance analyses of NH3, PH3, CH4, CH3D, CO, and GeH4 in the 1- to 6-bar pressure range in Jupiter's troposphere. All the considered molecules have been previously detected in ground-based, airborne, and spacecraft observations of Jupiter. The contribution made by the present study is related to a self-consistent simultaneous determination of the abundances of all of these molecules at the same physical level in Jupiter's atmosphere using one high spectral resolution dataset and a radiative transfer model. It is found that most abundances deviate significantly from expectations based upon an atmospheric model assuming solar composition and chemical equilibrium. The D/H ratio in Jupiter is comparable to that measured in the interstellar medium.
Bjoraker Gordon L.
Kunde Virgil G.
Larson Harold P.
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