The 12C/13C ratio in jupiter from the Voyager infrared investigation
作者： R. Courtin , D. Gautier , A. Marten , V. Kunde
DOI: 10.1016/0019-1035(83)90025-8
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摘要: The 12C/13C ratio in Jupiter has been derived from the analysis of ν4 band CH4 spectra recorded by Voyager 1 IRIS experiment. It is found to be 160−55+40, i.e., 1.8−0.6+0.4 times terrestrial value. Instrumental noise as well systematic sources error were taken into account for estimate uncertainty. No plausible theory predicts such a difference between values inner solar system and Jupiter. However, this neighborhood 4.5 ago inferred—through use models chemical evolution Galaxy —from recent interstellar medium measurements are compatible with present determination Jovian value, rather than one, could then representative primitive nebula.
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