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Astron. Astrophys. 346, L1-L4 (1999) AcknowledgementsWe thank the staff of the ESO La Silla observatory for their support during our observations. S.M. acknowledges financial support from the DARA under grant 50 OR 96029-ZA. M.C. was supported by NASA through Hubble Fellowship grant HF-01105.01-98A awarded by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., for NASA under contract NAS 5-26555. We are grateful to the referee, Dr. R. Kraft, for his speedy report and valuable remarks. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1999 Online publication: May 6, 1999 ![]() |