Astron. Astrophys. 318, L9-L12 (1997)

Acknowledgements

This work is supported by NASA grant NAG5-2636. M.M. acknowledges support from the Royal Society and the Greek Ministry of Research and Technology (PENED program). Research at Armagh Observatory is aided by a grant from the Dept. of Education for N. Ireland.

© European Southern Observatory (ESO) 1997

Online publication: July 8, 1998
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