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Noble gas abundance and isotope ratios in the atmosphere of Jupiter from the Galileo Probe Mass Spectrometer


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dc.creatorMahaffy, P
dc.creatorNiemann, H
dc.creatorAlpert, A
dc.creatorAtreya, S
dc.creatorDemick, J
dc.creatorDonahue, T
dc.creatorHarpold, D
dc.creatorOwen, T
dc.date.accessioned2023-01-25T19:55:33Z
dc.date.available2023-01-25T19:55:33Z
dc.date.created2000
dc.identifier10.1029/1999JE001224en_US
dc.identifier.urihttps://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/1999JE001224en_US
dc.identifier.urihttps://aurora.auburn.edu/handle/11200/50492
dc.identifier.urihttp://dx.doi.org/10.35099/aurora-560
dc.description.abstractThe Galileo Probe Mass Spectrometer provided the first data on the noble gas mixing and isotope ratios in the Jovian atmosphere. These measurements and the comparison with solar values constrain models of Jupiter's formation. Significant refinements to the initially reported abundances of argon, krypton, and xenon have been enabled through post-encounter laboratory calibrations using a refurbished engineering unit mass spectrometer nearly identical to the flight unit. The abundances relative to hydrogen for argon, krypton, and xenon are respectively 2.5 +/- 0.5, 2.7 +/- 0.5, and 2.6 +/- 0.5 times the solar ratios. The mixing ratios of He and Ne found in these studies are consistent with previously reported values of 0.8 and 0.1 times solar respectively. The Jovian Ar-36/Ar-38 ratio is 5.6 +/- 0.25 and the Ne-20/Ne-22 ratio is 13 +/- 2, consistent with the solar values of 5.77 and 13.81, respectively, that are derived from lunar mineral grain analysis. The distribution of xenon isotopes at Jupiter also resembles the solar distribution.en_US
dc.formatPDFen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.ispartofJOURNAL OF GEOPHYSICAL RESEARCH-PLANETSen_US
dc.relation.ispartofseries2169-9097en_US
dc.rights©American Geophysical Union 2005. This is this the version of record co-published by the American Geophysical Union and John Wiley & Sons, Inc. It is made available under the CC-BY-NC-ND 4.0 license. Item should be cited as: Mahaffy, P. R., et al. "Noble gas abundance and isotope ratios in the atmosphere of Jupiter from the Galileo Probe Mass Spectrometer." Journal of Geophysical Research: Planets 105.E6 (2000): 15061-15071.en_US
dc.titleNoble gas abundance and isotope ratios in the atmosphere of Jupiter from the Galileo Probe Mass Spectrometeren_US
dc.typeTexten_US
dc.type.genreJournal Article, Academic Journalen_US
dc.citation.volume105en_US
dc.citation.issueE6en_US
dc.citation.spage15061en_US
dc.citation.epage15071en_US
dc.description.statusPublisheden_US
dc.description.peerreviewYesen_US
dc.creator.orcid0000-0003-1896-1726en_US

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