Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...311..501d&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 311, Dec. 1, 1986, p. 501-510.
Astronomy and Astrophysics
Astronomy
42
Atmospheric Composition, Deuterium Compounds, Infrared Astronomy, Methane, Uranus Atmosphere, Atmospheric Models, Line Spectra, Spectrum Analysis
Scientific paper
The authors have detected the 3ν2 band of CH3D in the spectrum of Uranus recorded with the Fourier Transform Spectrometer at the 4 m Mayall telescope of KPNO. Using a scattering-model atmosphere and spectral synthesis techniques, they derive a bulk CH3D/CH4 mixing ratio of 3.6(+3.6, -2.8)×10-4 from these observations. This suggests a deuterium enhancement in methane relative to that observed on Jupiter and Saturn.
Brault James
Chauville Jacques
de Bergh Catherine
Lutz Barry L.
Owen Theodore
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