We would like to thank Dr. Hans Schild for providing his spectra of 16 members of the LH 39 association. We are grateful to Dr. Paul Crowther for supplying the AAT spectrum of R 84. We are also indebted to Dr. Jean-Luc Beuzit for his assistance during the adaptive optics observations and Dr. Laurent Jorda for a preliminary reduction of the NTT+EFOSC2 data. O. Esslinger is supported by a PPARC PhD grant through the United Kingdom Adaptive Optics Program. G. Rauw, P. Magain, and F. Courbin acknowledge financial support from contract ARC 94/99-178 "Action de recherche concertée de la Communauté Française" (Belgium). G. Rauw also acknowledges support from the Fonds National de la Recherche Scientifique (Belgium) and partial support through the PRODEX XMM-OM Project. M. Heydari-Malayeri recognizes financial help from the Institut National des Sciences de l'Univers (INSU) to participate in the workshop "Luminous Blue Variables: Massive Stars in Transition", Kona, October 6-11, 1996. The SIMBAD database was consulted for the bibliography.
© European Southern Observatory (ESO) 1997
Online publication: April 20, 1998