Detection of carbon monoxide in Saturn

Details Detection of carbon monoxide in Saturn Detection of carbon monoxide in Saturn

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...309l..91n&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 309, Oct. 15, 1986, p. L91-L94.

Astronomy and Astrophysics

Astrophysics

23

Astronomical Models, Astronomical Spectroscopy, Carbon Monoxide, Infrared Spectra, Saturn Atmosphere, Saturn Rings, Spectral Bands, Spectral Energy Distribution, Vertical Distribution

Scientific paper

The authors have investigated six spectral regions containing lines of the CO 1 - 0 vibration-rotation band near 4.7 μm in Saturn. Three of the lines are free of blending and unambiguously establish the presence of this molecule in Saturn's atmosphere. Two sources of CO are considered; rapid convection from the hot interior, and infall of oxygen-bearing material from outside. A uniform distribution of CO, corresponding to an internal origin, yields a mole fraction q(CO) = 2.0±0.7×10-9. A model with CO confined to the upper atmosphere requires a stratospheric mole fraction of q(CO) = 3±1×10-7.

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