Coleman, Matthew; Da Costa, Gary; Bland-Hawthorn, Joss
The results of a wide-field survey of the Sculptor dwarf spheroidal galaxy are presented. Our aims were to obtain an accurate map of the outer structure of Sculptor and to determine the level of interaction between this system and the Galaxy. Photometry was obtained in two colors down to the magnitude limits of V = 20 and I = 19, covering a 3°.1 × 3°.1 area centered on Sculptor. The resulting color-magnitude data were used as a mask to select candidate horizontal-branch (HB) and red giant...[Show more]
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