... VI.

Based on observations collected at the Observatoire de Haute-Provence.

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...

Table 1 is also, and Tables 2 and 4 only, 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/384/371

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