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Fig. 1

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X-ray luminosity in the [0.5–10 keV] band corrected for obscuration plotted against the NH column density for the X-ray sources in the XMM-COSMOS survey with a redshift. The 142 Type-2 QSOs studied in this paper are indicated by filled circles. The dashed lines delimit the area where L [0.5−10keV]  > 1044 erg s-1 and NH > 1022 cm-2.

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