The C-12/C-13 ratio in Jupiter from the Voyager infrared investigation

Details The C-12/C-13 ratio in Jupiter from the Voyager infrared investigation The C-12/C-13 ratio in Jupiter from the Voyager infrared investigation

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icar...53..121c&link_type=abstract

Icarus, vol. 53, Jan. 1983, p. 121-132.

Computer Science

24

Carbon Isotopes, Infrared Spectra, Jupiter (Planet), Radiative Transfer, Voyager 1 Spacecraft, Brightness Temperature, Methane, Opacity, Solar System, Spectrum Analysis, Jupiter, Carbon, Isotopes, Isotopic Ratios, Voyager 1, Infrared, Data, Observations, Wavelengths, Analysis, Techniques, Procedure, Evolution, Infrared Radiometer Spectrometer, Spectra, Hypotheses, Comparisons, Iris, Models, Chemistry, Solar Nebula, Radiative Transfer, Calculations

Scientific paper

An analysis of the v(4) band of CH4 in the spectra recorded by the Voyager 1 IRIS experiment has yielded a C-12/C-13 ratio in Jupiter that is 160 plus 40 or minus 55, or 1.8 plus 0.4 or minus 0.6 times the terrestrial value. It is noted that while no plausible theory predicts such a difference between the C-12/C-13 ratio values of Jupiter and the inner solar system, values of this ratio in the solar neighborhood 4.5 million years ago, inferred from recent interstellar medium measurements, are compatible with the present determination in Jupiter. The Jovian, rather than the terrestrial value, would then be representative of the carbon isotope ratio in the primitive solar nebula.

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