Astron. Astrophys. 354, 823-835 (2000)

Acknowledgements

The William Herschel Telescope is operated on the island of La Palma by the Royal Greenwich Observatory in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias. We acknowledge C. H. Heller for his help in the use of his program to catalogue HII regions. We are grateful to the referee, Johan H. Knapen, for comments which have helped to improve this paper. This work was partially supported by the Spanish DGICYT (Dirección General de Investigación Científica y Técnica) via Grants PB91-0525, PB94-1107 and PB97-0219. 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) 2000

Online publication: February 25, 2000
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