... ShCG 362

Figures 2, 3, 5, 6, 8, 9, 11, 12 and Table 2 are only available in electronic form at http://www.edpsciences.org

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...

Visiting Astronomer, German-Spanish Astronomical Center, Calar Alto, operated by the Max-Plank-Institute for Astronomy, Heidelberg, jointly with the Spanish National Commission for Astronomy.

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... left)

The groups in these figures are marked as Shkh according to old designation.

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