The N-14/N-15 ratio in the Jovian atmosphere

Details The N-14/N-15 ratio in the Jovian atmosphere The N-14/N-15 ratio in the Jovian atmosphere

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...146..181d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 146, no. 1, May 1985, p. 181-184.

Astronomy and Astrophysics

Astrophysics

9

Abundance, Astronomical Spectroscopy, Atmospheric Composition, Infrared Spectra, Jupiter Atmosphere, Nitrogen, Planetary Composition, Atmospheric Models, Cosmology, Nitrogen 15, Ratios, Spectrum Analysis, Jupiter, Nitrogen, Isotopic Ratios, Atmosphere, Spectroscopy, Models, Clouds, Structure, Enrichment, Abundance, Infrared, Wavelengths

Scientific paper

Spectroscopic data of Jupiter between 850 and 915 cm-1 have been recorded and analyzed, as well as previous published data, for a determination of the Jovian 14N/15N ratio. It is shown that the main uncertainty in this determination comes from the choice of the atmospheric model used for the synthetic spectra, and in particular the modelization of the Jovian cloud structure. The result is 14N/15N = 125 (+145,-75) which does not completely exclude the terrestrial value 14N/15N = 270 but still suggests a significant 15N enrichment.

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