Based on observations made with the ESO VLT 8 m telescope with UVES (program 66.C-0220), WHT/UES (La Palma) and the 1.2 m telescope of the Haute-Provence Observatory, France.

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IRAF is distributed by the National Optical Astronomy Observatories, which is operated by the Association of Universities for Research in Astronomy, Inc. (AURA) under cooperative agreement with the National Science Foundation.

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