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Published online by Cambridge University Press: 19 July 2016
The existence of deviations of the observed photometric profiles with respect to the King models is a known fact (e.g., Newell and O'Neil, 1978; Aurière, 1983) and has been recently emphasized in the large survey by Kron et al., 1984. The origin of the light “excesses” (or defects) in the nuclear regions is, however, not very well understood. This work aims at clarifying this problem on the basis of multicolor (BVRIKC) CCD observations.