Chemical abundance of 12 stars in open clusters (Carrera+, 2011)

Physics

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Clusters: Open, Equivalent Widths

Scientific paper

Using high-resolution (R~30000), high-quality (S/N>=60 per pixel), we obtained spectra for twelve stars in four open clusters with the fibre spectrograph FOCES, at the 2.2 Calar Alto Telescope in Spain.We employ a classical equivalent-width analysis to obtain accurate abundances of sixteen elements: Al, Ba, Ca, Co, Cr, Fe, La,Mg, Na, Nd, Ni, Sc, Si, Ti, V, and Y.We derived oxygen abundances derived by means of spectral synthesis of the 6300Å forbidden line.
(2 data files).

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