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<!-- DOI: 10.1051/0004-6361/200912053 -->

<h2 class="sec">Online Material</h2>

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<A NAME="candidates"></A><p class="inset-old"><a href="/articles/aa/full_html/2009/28/aa12053-09/table2.html"><span class="bold">Table 2:</span></a>&#160;&#160;
X-ray, optical and near-infrared properties of the initial candidates.</p>
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<tr><td><!-- init Label --><A NAME="optical_images">&#160;</A><!-- end Label--><A NAME="904"></A><A NAME="figure731"
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<td class="img-txt"><span class="bold">Figure 1:</span><p>
Optical (<I>R</I>)&nbsp;images of the normal galaxy candidates, centred on the X-ray position. The inner radii of the crosses are 6&nbsp;arcsec and the outer 30&nbsp;arcsec.</p></td>
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<tr><td><!-- init Label --><!-- end Label--><A NAME="744"></A><A NAME="figure739"
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<td class="img-txt"><span class="bold">Figure 1:</span><p>
continued.</p></td>
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<tr><td><!-- init Label --><A NAME="spectra">&#160;</A><!-- end Label--><A NAME="907"></A><A NAME="figure748"
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
Optical spectra of the normal galaxy candidates.</p></td>
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
continued.</p></td>
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
continued.</p></td>
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
continued.</p></td>
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
continued.</p></td>
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
continued.</p></td>
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
continued.</p></td>
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
continued.</p></td>
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
continued.</p></td>
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