Oxygen in the Blanco 1 open cluster

Details Oxygen in the Blanco 1 open cluster Oxygen in the Blanco 1 open cluster

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nupha.758..280f&link_type=abstract

Nuclear Physics A, Vol. 758, p.280-283

Physics

Nuclear Physics

Scientific paper

We present preliminary measurements of the iron and oxygen abundances in 8 F/G-type stars of the young Blanco 1 open cluster. Previous work suggested that this cluster has a high metal content, but a Li-abundance pattern similar to the solar-metallicity Pleiades. This would contradict the strong metallicity dependence predicted by models of pre-main sequence Li depletion. Our new results show that the metallicity of the cluster is lower than previously believed, with [Fe/H] approximately solar and with [O/Fe]˜ 0.1.

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