Astron. Astrophys. 362, 245-254 (2000)

Acknowledgements

Hungarian research grant, OTKA No. T 025288, and financial support of Soros Foundation are acknowledged. MP acknowledges South African Astronomical Observatory (SAAO) for observing possibility and hospitality of staff members. Thanks to Dr Géza Kovács for running his program on error calculation. We are thankful to Dr Luis Balona for his specific model calculation. Fruitful discussions with Prof. Hiromoto Shibahashi, Drs Béla Szeidl and Zoltán Kolláth are highly appreciated. CS acknowledges financial support from the Belgian Fund for Scientific Research (FWO) and ESO for granting a generous amount of observing time (Period 51). The authors are indebted to Dr A.A. Pamyatnykh for his valuable remarks in his referee report.

© European Southern Observatory (ESO) 2000

Online publication: October 30, 19100
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