Fig. 18.
Scaling of the photon index Γ vs. the normalization NBMC for 3C 454.3 (violet line – target source) as well as NGC 4051, NGC 7469, GRO J1655–40, and Cygnus X–1 (reference sources). Red triangles stand for RXTE, black squares – Suzaku and blue squares for XMM-Newton data for NGC 4051, while green squares mark RXTE data for NGC 7469. Pink squares and yellow-black circles correspond to RXTE data for GRO J1655–40 and Cygnus X–1, respectively.
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