Fig. 7 from X‐Ray Spectral Survey of WGACAT Quasars. I. Spectral Evolution and Low‐Energy Cutoffs

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X‐Ray Spectral Survey of WGACAT Quasars. I. Spectral Evolution and Low‐Energy Cutoffs

Authors: Fabrizio Fiore, Martin Elvis, Paolo Giommi, and Paolo Padovani

Fiore et al. 1998 The Astrophysical Journal 492 79.

Provider: AAS Journals

Caption: Fig. 7.

(a) Redshift–optical luminosity correlation for radio‐loud quasars. (b) Soft spectral index α_S–redshift correlation for radio‐loud quasars with high optical luminosity (>10³² ergs s⁻¹).

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