Based on
observations obtained at the European Southern Observatory using
the Very Large Telescope, Cerro Paranal, Chile (ESO Program
ID 71.A-0401(A), PI: G. Meylan). Based in part on data obtained
with the NASA/ESA Hubble Space Telescope (Program #9744, PI: C. S.
Kochanek) and extracted from the data archives at the Space
Telescope Science Institute, which is operated by the Association
of Universities for Research in Astronomy, Inc., under NASA
contract NAS 5-26555.
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