Stellar condensates in meteorites - Isotopic evidence from noble gases

Details Stellar condensates in meteorites - Isotopic evidence from noble gases Stellar condensates in meteorites - Isotopic evidence from noble gases

Dec 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...234l.165l&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 234, Dec. 1, 1979, p. L165-L168.

Astronomy and Astrophysics

Astrophysics

27

Abundance, Carbonaceous Chondrites, Meteoritic Composition, Rare Gases, Condensates, Interstellar Gas, Krypton Isotopes, Neon Isotopes, Xenon Isotopes, Meteorites, Isotopes, Rare Gases, Murchison Meteorite, Condensation, Carbonaceous Chondrites, Carbon/Oxygen, Element Ratios, Neon/Neon, Krypton, Xenon, Cosmic Dust, Abundance, Samples, Meteorite, Spectrum, Procedure, Mass Spectrometer, Data, Anomalies, Neon-E, Nucleosynthesis

Scientific paper

The Murchison carbonaceous chondrite contains three isotopically anomalous noble-gas components of apparently presolar origin: two kinds of Ne-E, (Ne-20)/(Ne-22) less than 0.6, and s-process Kr + Xe (enriched in the even isotopes 82, 84, 86, 128, 130, 132). Their carriers are tentatively identified as spinel and two carbonaceous phases, the principal high-temperature stellar condensates at low and high C/O ratios, respectively.

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