A deep X-ray view of the bare nucleus Seyfert Ark120: unveiling the core of AGN
Date Issued
2017
Author(s)
Porquet, D.
•
Reeves, J.
•
Lobban, A.
•
•
•
Grosso, N.
•
Matt, G.
•
Marinucci, A.
•
•
Ursino, F.
Abstract
The physical characteristics of the matter around supermassive black hole (SMBH) are currently determined thanks to X-ray observations. However, the origins of the main X-ray spectral components such as the soft X-ray excess, the FeK line complex and the hard X-ray excess are still hotly debated. This is difficult to investigate in AGN which show a significant warm absorber that severely distort the continuum. Therefore, AGN which show no (or very weak) warm absorption on the line-of-sight, so-called "bare AGN'' are the best targets to probe the processes at work very close to the SMBH. We will present the first results from an extensive observation campaign (XMM-Newton Large Program, Chandra/HETG, NuSTAR) of Ark120 that is the brightest and cleanest bare AGN known so far. We will focus on the analysis of the deep RGS spectrum, as well as on the X-ray broad band spectrum.
Coverage
The X-ray Universe 2017
Start page
180
Conferenece
The X-ray Universe 2017
Conferenece place
Rome, Italy
Conferenece date
6-9 June, 2017
Ads BibCode
2017xru..conf..180P
Rights
open.access
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