All Figures

$\begin{figure} \par\includegraphics[width=8.3cm,clip]{1153fig1.eps} \end{figure}$ Figure 1: The distribution of hardness ratios in the Alexander et al. (2003) catalogues. We define as absorbed sources to the right of the dashed line, that is having hardness ratio ${\it HR} \ge -0.2$ .
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In the text

$\begin{figure} \par\includegraphics[width=5.8cm,clip]{alex50.ps}\includegraphics... ...m,clip]{alex268.ps}\includegraphics[width=5.8cm,clip]{alex272.ps} \end{figure}$ Figure 2: CDF-S Cutouts. B, V, i, and z ACS image cutouts are displayed for all the type 2 AGN candidate in the CDF-S. Each image is $3\hbox {$^{\prime \prime }$ }\times 3\hbox {$^{\prime \prime }$ }$ in size, with north up and east to the left. The Alexander identification number is shown in the top left of each panel, and the circles drawn on the i-band images indicate the Alexander X-ray positions, with the radius indicating the 90 $\%$ positional error. The (black and white) square symbols indicate the positions of the GOODS source which have been matched to the X-ray positions. The X symbols indicate the positions of any corresponding sources in the Szokoly catalogue.
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In the text

$\begin{figure} \par\includegraphics[width=5.2cm,clip]{alex24.ps}\includegraphics... ...s}\includegraphics[width=5.2cm,clip]{alex486.ps}\hspace*{2.7cm}} \end{figure}$ Figure 3: CDFN Cutouts. B, V, i, and z ACS image cutouts are displayed for all the type 2 AGN candidate in the CDFN. Each image is $3\hbox {$^{\prime \prime }$ }\times 3\hbox {$^{\prime \prime }$ }$ in size, with north up and east to the left. The Alexander identification number is shown in the top left of each panel, and the circles drawn on the i-band images indicates the Alexander X-ray positions, with the radius indicating the $90\%$ positional error. The (black and white) square symbols indicate the positions of the GOODS sources which have been matched to the X-ray positions.
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In the text

$\begin{figure} \par\includegraphics[width=5.6cm,clip]{udf_alex201.ps}\par\includ... ...alex243.ps}\par\includegraphics[width=5.6cm,clip]{udf_alex255.ps} \end{figure}$ Figure 4: CDF-S UDF Cutouts. B, V, i, and z ACS image cutouts are displayed for the type 2 AGN candidates that fall within the area of the UDF. The (black and white) square symbols indicate the positions of the UDF sources in the UDF catalogue.The $\times$ symbols indicate the positions of any corresponding sources in the Szokoly catalogue.
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In the text

$\begin{figure} \par\includegraphics[width=8.3cm,clip]{1153fig5.eps} \end{figure}$ Figure 5: The X-ray power distribution for our new type 2 AGN candidates (dashed line), previously known type 2 AGN (solid line), and the sum of the two populations (dotted line). QSO 2 are defined, somewhat arbitrarily, as having $L_{\rm 2{-}10~keV} > 10^{44}$ erg/s.
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In the text

$\begin{figure} \par\includegraphics[width=8cm,clip]{1153fig6.ps} \end{figure}$ Figure A.1: The histogram of distances between closest match optical and X-ray sources overlaid with the best fitting model.

In the text

$\begin{figure} \par\includegraphics[width=8.3cm,clip]{1153fig1.eps} \end{figure}$	Figure 1: The distribution of hardness ratios in the Alexander et al. (2003) catalogues. We define as absorbed sources to the right of the dashed line, that is having hardness ratio ${\it HR} \ge -0.2$ .
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$\begin{figure} \par\includegraphics[width=5.6cm,clip]{udf_alex201.ps}\par\includ... ...alex243.ps}\par\includegraphics[width=5.6cm,clip]{udf_alex255.ps} \end{figure}$	Figure 4: CDF-S UDF Cutouts. B, V, i, and z ACS image cutouts are displayed for the type 2 AGN candidates that fall within the area of the UDF. The (black and white) square symbols indicate the positions of the UDF sources in the UDF catalogue.The $\times$ symbols indicate the positions of any corresponding sources in the Szokoly catalogue.
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$\begin{figure} \par\includegraphics[width=8.3cm,clip]{1153fig5.eps} \end{figure}$	Figure 5: The X-ray power distribution for our new type 2 AGN candidates (dashed line), previously known type 2 AGN (solid line), and the sum of the two populations (dotted line). QSO 2 are defined, somewhat arbitrarily, as having $L_{\rm 2{-}10~keV} > 10^{44}$ erg/s.
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