Astron. Astrophys. 347, 473-477 (1999)

Acknowledgements

We thank Drs A. Bazzano (CNR-IAS), A. Tornambe' (OAT) and R.K.Manchanda (TIFR) for usefull discussion about 4U1700+24. We also thank F. Bucciarelli for its assistance in the spectra catalogs research. This work has made use of the SIMBAD database at the CDS (Strasbourg). The reduced spectrograms of HD 154791 listed in Table 1 are available as computer ASCII files on request to the authors at the address: polcaro@saturn.ias.rm.cnr.it

© European Southern Observatory (ESO) 1999

Online publication: June 30, 1999
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