Astron. Astrophys. 347, 508-517 (1999)

Acknowledgements

We would like to thank Prof. J. Solf for supporting the program, and Ralph Neuhäuser, Beate Stelzer, Thomas Preibisch, and J. Eislöffel for many fruitful discussions during the preparation of this paper. We would also like to thank H. Löchel, A. Kirchhoff, M. Pluto, J. Winkler, and R. Ziener, for all their help and assistance in commissioning the instrument, and for their support in carrying out the observations. We are grateful to the referee, Dr. Gösta Gahm, for very valuable comments that contributed to improve this work. We acknowledge STARLINK and IRAF software for preparing the observations and for analysing the data. MB's work was supported by a grant from the Thüringer Ministerium für Wissenschaft und Kultur.

© European Southern Observatory (ESO) 1999

Online publication: June 30, 1999
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