Astron. Astrophys. 332, 541-560 (1998)

Acknowledgements

We are grateful to an anonymous Referee for valuable comments on a previous version of this paper and to Dr. R. Ventura for providing us with the Fourier analysis code. We also wish to thank Professor R. Rosner for useful discussion. We acknowledge the extensive use of computing facilities at the Catania node of the Italian Astronet Network. This research has made use of the Simbad database, operated at the CDS, Strasbourg, France.

Research on stellar activity at Catania Astrophysical Observatory and Institute of Astronomy of the Catania University is funded by MURST (Ministero dell'Università e della Ricerca Scientifica e Tecnologica), Regione Sicilia and ASI (Agenzia Spaziale Italiana), whose financial support is gratefully acknowledged.

© European Southern Observatory (ESO) 1998

Online publication: March 23, 1998
helpdesk@link.springer.de