Astron. Astrophys. 323, 488-512 (1997)

Acknowledgements

We thank Dr. A.W. Fullerton, Prof. Dr. R.-P. Kudritzki and Dr. W. Schmutz for carefully reading the manuscript and useful comments. We also thank Dr. K. Butler for providing us with a number of plane-parallel, hydrostatic NLTE models and corresponding line profiles. This work has been partly funded by the Acciones Integradas hispano-alemanas, a joint program of the Spanish Ministerio de Educacion y Ciencia (MEC) and the German Deutscher Akademischer Austausch Dienst (DAAD). J.P. gratefully acknowledges a travel grant within the DFG-project Pa 477/1-2.

© European Southern Observatory (ESO) 1997

Online publication: June 5, 1998

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