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Astron. Astrophys. 362, L17-L20 (2000) AcknowledgementsI would like to thank Dr.B.Balick for his evaluation of the HST measurements of NGC 6537. I would also like to thank Dr.J.Koorneef and Dr.J.-W.Pel for discussions of the stellar magnitude, and Dr.T.Rauch for sending me results of his model atmospheres for very hot stars. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 2000 Online publication: October 24, 2000 ![]() |