Based on observations collected at ESO-VLT, Paranal Observatory, Chile, Programme numbers 73.D-0520(A)

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Table 4 is only available in electronic form at http://www.aanda.org

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... pipeline

Version 1.0 - http://girbldrs.sourceforge.net/

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... IRAF

IRAF is distributed by the National Optical Astronomical Observatories, which are operated by the Association of Universities for Research in Astronomy, under contract with the National Science Foundation.

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... members

The sample of the 10 stars includes the binary with a RVconsistent with that of the cluster, for which the EW has not been measured.

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