Fig. 6.

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Histogram comparing the photon index (Γ) measured in SUBWAYS (green; this work, with a mean value of ; vertical line) with those measured in an X-ray-selected sample (CAIXA sample, 150 sources with
; Bianchi et al. 2009), the PGQSO sample (Piconcelli et al. 2005, 40 sources
), and local AGNs (T10; G13 with
and
, respectively).
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