Fig. 1
A 6 × 5 arcmin DSS2 where our ACS/WFC field is shown as a large (red) square. The HRC field with its RR Lyr (from Fiorentino et al. 2010b) is shown as a small (blue) square. The RR Lyr, anomalous Cepheid and Population II Cepheid variables detected in the ACS/WFC field are shown as red, cyan and green points, respectively. Circles centred on M 32 used in the density analysis are plotted in magenta.
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