A study of red giants in the fields of open clusters. Cluster members

Details A study of red giants in the fields of open clusters. Cluster members A study of red giants in the fields of open clusters. Cluster members

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009arep...53..660p&link_type=abstract

Astronomy Reports, Volume 53, Issue 7, pp.660-674

Astronomy and Astrophysics

Astronomy

1

95.10.Eg, 95.85.Kr, 97.10.Cv, 97.10.Ex, 97.10.Nf, 97.10.Ri, 97.10.Tk, 97.10.Vm, 97.10.Wn, 97.20.Li, 98.10.+Z, 98.20.Di

Scientific paper

We present the results of a comparative analysis of the atmospheric chemical abundances of red giants in several open clusters: the Hyades, Collinder 350, NGC 6475, and Ruprecht 147. We determined the atmospheric parameters of all the stars and the elemental abundances in their atmospheres, as well as their masses, Galactic velocities, and the elements of their orbits in the Galaxy. The observed excess [Na/Fe] and [Eu/Fe] abundances in the atmospheres of Hyades giants suggests that matter later used for star formation had been enriched in the ejecta from type II supernovae.

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