...Concentration
Based on observations made at ESO, La Silla, Chile.
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Presidential Chair in Science.
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...supercluster
Tables 1, 2 and 3 are 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/Abstract.html
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...observed
This research has made use of the NASA/IPAC extragalactic database (NED) which is operated by the Jet Propulsion Laboratory, Caltech, under contract with the National Aeronautics and Space Administration.
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Copyright by the European Southern Observatory (ESO)
web@ed-phys.fr