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• W2057570761 abstract "We present the results of the analysis of an archival 15 ks XMM-Newton observation of the nearby (z = 0.057) radio-loud source 3C 445, optically classified as a broad-line radio galaxy. While the RGS data are of insufficient quality to allow a meaningful analysis, the EPIC data show a remarkable X-ray spectrum. The 2-10 keV continuum is described by a heavily absorbed (NH ~ 1022-1023 cm-2) power law with photon index Γ ~ 1.4 and strong (R ~ 2) cold reflection. A narrow, unresolved Fe Kα emission line is detected, confirming previous findings, with EW ~ 120 eV. A soft excess is present below 2 keV over the extrapolation of the hard X-ray power law, which we model with a power law with the same photon index as the hard power law, absorbed by a column density NH = 6 × 1020 cm-2 in excess to Galactic. A host of emission lines are present below 2 keV, confirming previous indications from ASCA, due to H- and He-like O, Mg, and Si. We attribute the origin of the lines to a photoionized gas, with properties very similar to radio-quiet obscured AGNs. Two different ionized media, or a single stratified medium, are required to fit the soft X-ray data satisfactorily. The similarity of the X-ray spectrum of 3C 445 to Seyferts underscores that the central engines of radio-loud and radio-quiet AGNs similarly host both cold and warm gas." @default.
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• W2057570761 date "2007-08-20" @default.
• W2057570761 modified "2023-09-24" @default.
• W2057570761 title "The Remarkable X‐Ray Spectrum of the Broad‐Line Radio Galaxy 3C 445" @default.
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• W2057570761 doi "https://doi.org/10.1086/519306" @default.
• W2057570761 hasPublicationYear "2007" @default.
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