Based on spectra collected at McDonald - USA, SAORAS - Russia, KPNO - USA, CTIO - Chile, MSO - Australia, OHP - France.

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Full Table 1 is only available in electronic form at http://www.edpsciences.org
Table A1 (Appendix) is only, and Table 2 also, available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5)
or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/381/32

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