Astron. Astrophys. 354, 411-422 (2000)

Acknowledgements

I, St. K., gratefully remember Henner Fink for introducing me to the work with X-ray data, for many discussions and helpful advice. Henner Fink passed away in December 1996. We thank Hartmut Schulz and Dirk Grupe for a critical reading of the manuscript, Dirk Grupe for providing a preprint of his paper on RXJ0134 prior to publication, Gary Ferland for providing Cloudy , and Emmi Meyer-Hofmeister for her continuing kind interest. The ROSATproject has been supported by the German Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie (BMBF/DLR) and the Max-Planck-Society. 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.
Preprints of this and related papers can be retrieved from our webpage at http://www.xray.mpe.mpg.de/~skomossa/

© European Southern Observatory (ESO) 2000

Online publication: February 9, 2000
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