A method of studying the abundances of heavy elements in metal-poor stars.

Details A method of studying the abundances of heavy elements in metal-poor stars. A method of studying the abundances of heavy elements in metal-poor stars.

Aug 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999acasn..40..256z&link_type=abstract

Acta Astron. Sin., Vol. 40, No. 3, p. 256 - 262

Astronomy and Astrophysics

Astronomy

1

Metal-Poor Stars: Heavy Elements, Metal-Poor Stars: Element Abundances

Scientific paper

Based on the observed abundances of several typical elements and the conclusions of the heavy elemental nucleosynthesis theory and the galactic chemical evolution theory, the authors suggest a method to determine the relative contributions from the individual neutron-capture processes to the abundances of heavy elements in metal-poor stars. With this method, the relative contribution proportions of the s- and r-processes are calculated and the abundances of the heavy elements in three metal-poor stars HD 62644, HD 126238 and HD 184711 are obtained. The results of calculations are compared with observations, and then a discussion is made.

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