Journal
ASTROPHYSICAL JOURNAL
Volume 885, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.3847/1538-4357/ab4282
Keywords
black hole physics; galaxies: active; galaxies: individual (4C 74; 26); radiation mechanisms: general; scattering
Categories
Funding
- NASA [80NSSC18K0408, NNH17ZDA001N-ADAP]
- National Aeronautics and Space Administration
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X-ray data for quasar 4C 74.26 have previously been modeled with a broad Fe K? emission line and reflection continuum originating in the inner part of the accretion disk around the central supermassive black hole (SMBH), i.e.,the strong-gravity regime. We modeled broadband X-ray spectra from Suzaku and NuSTAR with mytorus, self-consistently accounting for Fe K? line emission, as well as direct and reflected continuum emission, from matter with a finite column density. A narrow Fe K? emission line originating in an X-ray reprocessor with solar Fe abundance far from the central SMBH is sufficient to produce excellent fits for all spectra. For the first time, we are able to measure the global column density, out of the line of sight, to be in the range ?1.5 to ?
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