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- W3106179168 abstract "Aims. We aim to determine the properties of the central region of NGC 1052 using X-ray and radio data. NGC 1052 ( z = 0.005) has been investigated for decades in different energy bands and shows radio lobes and a low-luminosity active galactic nucleus. Methods. We used X-ray images from Chandra and radio images from Very Large Array to explore the morphology of the central area. We also studied the spectra of the nucleus and the surrounding region using observations from Chandra and XMM-Newton . Results. We find diffuse soft X-ray radiation and hot-spots along the radio lobes. The spectrum of the circum-nuclear region is well described by a thermal plasma ( T ∼ 0.6 keV) and a power law with photon index Γ ∼ 2.3. The nucleus shows a hard power law (Γ ∼ 1.4) modified by complex absorption. A narrow iron K α line is also clearly detected in all observations, but there is no evidence for relativistic reflection. Conclusions. The extended emission is consistent with originating from extended jets and from jet-triggered shocks in the surrounding medium. The hard power-law emission from the nucleus and the lack of relativistic reflection supports the scenario of inefficient accretion in an advection-dominated accretion flow." @default.
- W3106179168 created "2020-11-23" @default.
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- W3106179168 date "2020-06-01" @default.
- W3106179168 modified "2023-09-26" @default.
- W3106179168 title "Accretion and jets in a low-luminosity AGN: the nucleus of NGC 1052" @default.
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- W3106179168 doi "https://doi.org/10.1051/0004-6361/202037516" @default.
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