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Fig. 1

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Equatorial map showing the position of all the fields from our survey (white hexagons) and highlighting the ones that lay on the Sagittarius stream (green circles for the faint branch and green squares for the bright branch), on the Palomar 5 stream and on the Orphan stream (orange diamonds). The background image is the SDSS-DR8 map of the Sgr stream from Koposov et al. (2012), where the location of the Sagittarius dwarf galaxy has been marked (red star).

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