Evidence for a clumpy disc-wind in the star forming Seyfert\,2 galaxy MCG--03--58--007

Abstract

We report the results of a detailed analysis of a deep simultaneous $130\mathrm{ks}$ \textit{XMM-Newton & NuSTAR} observation of the nearby ($z=0.0315$) and bright ($L_{\mathrm{bol}}\sim 3\times 10^{45}\mathrm{erg}{\mathrm{s}}^{-1}$) starburst-AGN Seyfert\,2 system: MCG--03--58--007. From the broadband fitting we show that most of the obscuration needs to be modeled with a toroidal type reprocessor such as \texttt{MYTorus} \citep{MurphyYaqoob09}. Nonetheless the signature of a powerful disc-wind is still apparent at higher energies and the observed rapid short-term X-ray spectral variability is more likely caused by a variable zone of highly ionized fast wind rather than by a neutral clumpy medium. We also detect X-ray emission from larger scale gas as seen from the presence of several soft narrow emission lines in the RGS, originating from a contribution of a weak star forming activity together with a dominant photoionized component from the AGN.

arXiv comment16 pages, 9 figures, accepted for publication in MNRAS

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• Location and energetics of the ultra-fast outflow in PG 1448+273
• Detection of a Multi-Phase Ultra-Fast Wind in the Narrow-Line Seyfert 1 Galaxy Mrk 1044
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• The stratified disk wind of MCG-03-58-007
• The X-ray emission of the Seyfert 2 galaxy MCG-01-24-12
• A broadband X-ray view of the NLSy1 1E 0754.6+392.8
• On the Origin of the Dramatic Spectral Variability of WPVS 007
• Modelling X-ray RMS spectra II: the ultra-fast outflow of PDS 456