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Astron. Astrophys. 355, 949-965 (2000) AcknowledgementsThe UK HST support group in Cambridge, Rachel Johnson and Nial Tanvir, are thanked for numerous discussions on HST/WFPC2 and the best way to extract stellar photometry. To produce Fig. 8 we have use the online version of the Harris (1996) catalogue. SF acknowledges financial support from the Swedish Natural Research Council under their postdoc program.
© European Southern Observatory (ESO) 2000 Online publication: March 21, 2000 ![]() |