Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...288l..55s&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 288, Jan. 15, 1985, p. L55-L58.
Astronomy and Astrophysics
Astrophysics
50
Abundance, Giant Stars, Nuclear Fusion, Stellar Composition, Atmospheric Composition, Heavy Elements, Metallicity, Rare Earth Elements, Stellar Spectra
Scientific paper
A high-resolution spectroscopic study of the very metal-deficient giant HD 110184 confirms the presence of strong rare earth features. An abundance analysis relative to the classic metal-poor giant HD 122563 yields heavy element abundance enhancements of roughly a factor of 2 for iron-peak elements, but factors of 4-10 for the heavy elements. The heavy element abundance pattern in HD 110184 is consistent only with r-process neutron synthesis reactions in preceding stellar generations(s). The great difference seen in the total heavy element content of these two halo stars is evidence for the influence of local supernovae in the chemical compositions of very metal-deficient stars.
Pilachowski Catherine A.
Sneden Chistopher
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