BHB stars in the north Galactic cap region, shown in Aitoff projection. The stars have been colour coded for distance as follows; blue = closer than 15 kpc, green = 15 − 40 kpc, red = further than 40 kpc. The positions of a few globular clusters selected from the catalogue of Harris (1996) and used for a distance test are shown as black circles. The position of the Ursae Minoris dwarf galaxy is marked with a box.
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