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Fig. 10.

image

Scaling of the photon index Γ versus the normalization NBMC for NGC 7469 (green line is the target source) as well as NGC 4051, GRO J1655–40, and Cygnus X–1 (reference sources). Red triangles stand for RXTE, black squares for Suzaku, and blue squares for XMM-Newton data for NGC 4051. Pink squares and yellow-black circles correspond to RXTE data for GRO J1655–40 and Cygnus X–1, respectively.

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