... galaxies

Based on observations collected at the European Southern Observatory, Chile (ESO No. 63.N-0070, ESO No. 64.N-0034, ESO No. 65.N.-0002).

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...1,2,

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

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... CAFOS

Calar Alto Faint Object Spectrograph.

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... DFOSC

Danish Faint Object Spectrograph Camera.

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