Astron. Astrophys. 347, 518-523 (1999)

Acknowledgements

We thank Ron Remillard for useful discussion about the ASM data. We also thank Iossif Papadakis for his help in the timing analysis of the PCA data. This paper is partially based on quick-look results provided by the ASM/RXTE team and data obtained through the HEASARC Online Service of NASA/GSFC. We acknowledge detailed and useful comments from an anonymous referee. M.R. is supported by a fellowship from CIRIT (Generalitat de Catalunya, ref. 1999 FI 00199). P.R. acknowledges support via the European Union Training and Mobility of Researchers Network Grant ERBFMRX/CP98/0195. J.M. is partially supported by Junta de Andalucía (Spain). J.M.P and J.M. acknowledge partial support by DGICYT (PB97-0903).

© European Southern Observatory (ESO) 1999

Online publication: June 30, 1999
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