Based on observations carried out at
the European Southern Observatory (ESO), La Silla, under prog. ID
No. 56.B-0261 and 59.B-0797, and during Science Verification of the
UVES instrument at the ESO Very Large Telescope, Paranal (Chile). Also based
on Hubble Space Telescope data retrieved from the Space Telescope
European Coordinating Facility archive.
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