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Fig. 1

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Fields in the Galactic bulge observed for this project, superimposed on an optical map (Mellinger 2008), from longitude  +20° to  −20°, and latitude  −10° to  +10°. White and grey circles correspond to fields for which proper motion and radial velocity measurements have been completed. Data sets for the four fields at negative longitudes (grey squares) have not been completed so far.

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