Based on observations made with ESO Telescopes at the La Silla Observatory under the ESO Large Programme: LP178.D-0361, and on data collected at the Centro Astronómico Hispano Alemán (CAHA) at Calar Alto, operated jointly by the Max-Planck Institut für Astronomie and the Instituto de Astrofísica de Andalucía (CSIC). Also based on observations obtained at Observatorio de Sierra Nevada (Spain), at Observatorio Astronómico Nacional San Pedro Mártir (Mexico), at the Piszkéstetõ Mountain Station of Konkoly Observatory (Hungary), at Observatoire de Haute Provence (France) and at Mount John University Observatory (New Zealand).

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Tables 1, 3 and 9 are only available in electronic form at http://www.aanda.org

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