All Figures

	Figure 1: Color composite BVR-image of the DEEP1b field with north up and east to the left. The image covers the entire WFI field of . It also demonstrates the accuracy of the astrometric calibration independently achieved in each passband.
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In the text

	Figure 2: Distribution of separations bewtween radio sources and the nearest R-detected sources for DEEP1a ( upper panel), DEEP1b ( middle panel) and DEEP1c ( lower panel). The dashed histograms show those considered as actual counterparts.
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In the text

	Figure 3: Radio-optical offset computed for all the optical counterparts in the fields DEEP1 a,b,c. The 2 arcsec circle defines the boundaries of those considered to be "good'' identifications. Also reported are the values of the median of the offset distribution in right ascension anddeclination.
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In the text

Figure 4: Color-color diagram. In the figure is plotted the colors for the whole optical population (dots) and for the optical counterparts of ATESP radio sources (filled circles). Dot, dashed, long-dashed, dot-dashed and solid lines represent the evolutionary tracks of bursts (single burst of star formation followed by passive evolution), ellipticals, Sb and Sc spirals, and starburst galaxies, respectively. The evolutionary tracks were computed at intervals of 0.2 in redshift using the GISSEL libraries (Bruzual & Charlot 1993). The model tracks span the redshift range 0.0<z<3.0.

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In the text

Figure A.1: Galaxy number counts for the fields in the DEEP1 region (solid points) compared to those of Arnouts et al. (2001) (open squares) and Metcalfe et al. (2001) (open triangles). The passband, filter identification number and field are indicated in each panel.


In the text

Figure A.2: Same as in Fig. A.1 for region Deep2.


In the text

Figure A.3: Same as in Fig. A.1 for region Deep3.


In the text

Figure B.1: Stellar number counts (black points) compared with model predictions (solid line) from Girardi et al. (2005). The passband, filter identification number and field are indicated in each panel.


In the text

Figure B.2: Same as Fig. B.1 but for the DEEP2 region.


In the text

Figure B.3: Same as Fig. B.1 but for the DEEP3 region.


In the text

Figure C.1: Color-color plot for stars (red points) selected in the field DEEP1b compared the model of Girardi et al. (2005) (black points).


In the text

Figure C.2: Same as Fig. C.1 but for field DEEP2b.


In the text

Figure C.3: Same as Fig. C.1 but for field DEEP3b.


In the text

Figure C.4: Same as Fig. C.1 but for field DEEP3c.


In the text