التفاصيل البيبلوغرافية
| العنوان: |
Evidence for a clumpy disc-wind in the star-forming Seyfert 2 galaxy MCG–03–58–007. |
| المؤلفون: |
Matzeu, G A, Braito, V, Reeves, J N, Severgnini, P, Ballo, L, Caccianiga, A, Campana, S, Cicone, C, Della Ceca, R, Parker, M L, Santos-Lleó, M, Schartel, N |
| المصدر: |
Monthly Notices of the Royal Astronomical Society; Feb2019, Vol. 483 Issue 2, p2836-2850, 15p |
| مصطلحات موضوعية: |
STAR formation, ACTIVE galactic nuclei, PHOTOIONIZATION, X-ray spectra, BLACK holes |
| مستخلص: |
We report the results of a detailed analysis of a deep simultaneous |$130\, \rm ks$| XMM–Newton and NuSTAR observation of the nearby (|$z$| = 0.0315) and bright (|$L_{\rm bol}\sim 3\times 10^{45}\,\rm erg\, s^{-1}$|) starburst–active galactic nucleus (AGN) Seyfert 2 system: MCG–03–58–007. From the broad-band fitting we show that most of the obscuration needs to be modelled with a toroidal type reprocessor such as MYTorus. None the less 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 AGNs. [ABSTRACT FROM AUTHOR] |
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