Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 356, Issue 4, Pages 1396-1402Publisher
BLACKWELL PUBLISHING LTD
DOI: 10.1111/j.1365-2966.2004.08579.x
Keywords
stars : population II; galaxies : dwarf; local group; galaxies : nuclei
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We present an analysis of the density profile in the central region of the Sagittarius dwarf spheroidal galaxy. A strong density enhancement of Sgr stars is observed. The position of the peak of the detected cusp is indistinguishable from the centre of M54. The photometric properties of the cusp are fully compatible with those observed in the nuclei of dwarf elliptical galaxies, indicating that the Sgr dSph would appear as a nucleated galaxy independently of the presence of M54 at its centre.
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