Astron. Astrophys. 336, 455-478 (1998)

Acknowledgements

KHM was supported by the Deutsche Forschungsgemeinschaft, grant KL533/4-2 and by European Commission, TMR Programme, Research Network Contract ERBFMRXCT96-0034 "CERES". LL acknowledges Bill Cotton for useful suggestions on the use of NVSS data to study giant radio sources. We would like to thank the referee, U. Klein, for many helpful suggestions which considerably improved the paper. NRAO is operated by Associated Universities, Inc., under cooperative agreement with the National Science Foundation. The INT is operated on the island of La Palma by the Isaac Newton Group in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias. The Westerbork Synthesis Radio Telescope (WSRT) is operated by the Netherlands Foundation for Research in Astronomy (NFRA) with financial support of the Netherlands Organization for Scientific Research (NWO). This research has made use of the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.

© European Southern Observatory (ESO) 1998

Online publication: July 20, 1998
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