The Ultra Luminous Infrared Galaxy MKN 231: New clues from BeppoSAX and XMM-Newton

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dc.creatorBraito, V.
dc.creatorDella Ceca, R.
dc.creatorPiconcelli, E.
dc.creatorSevergnini, P.
dc.creatorBassani, L.
dc.creatorCappi, M.
dc.creatorFranceschini, A.
dc.creatorIwasawa, K.
dc.creatorMalaguti, G.
dc.creatorMarziani, P.
dc.creatorPalumbo, G. G. C.
dc.creatorPersic, M.
dc.creatorRisaliti, G.
dc.creatorSalvati, M.
dc.date2003-07-31
dc.date.accessioned2026-07-07T02:09:07Z
dc.date.available2026-07-07T02:09:07Z
dc.descriptionWe present BeppoSAX and XMM-Newton observations of MKN 231. These observations and in particular the BeppoSAX PDS data allowed us to unveil, for the first time, the highly absorbed (N$_H\sim 2\times10^{24}$ cm$^{-2}$) AGN component. We find that: a) the AGN powering MKN231 has an intrinsic 2-10 keV luminosity of $1^{+1}_{-0.5}\times 10^{44}$ erg/s; b) the strong starburst activity contributes significantly in the 0.1-10 keV energy range. We propose that the starburst activity strongly contributes to the far infrared luminosity of MKN 231; this is also suggested by the multiwavelength properties of MKN 231.
dc.description4 pages, 2 fugures, Proc. of the meeting: "The Restless High-Energy Universe" (Amsterdam, The Netherlands), E.P.J. van den Heuvel, J.J.M. in 't Zand, and R.A.M.J. Wijers Eds
dc.identifierhttps://arxiv.org/abs/astro-ph/0307551
dc.identifierhttp://arxiv.org/abs/astro-ph/0307551
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/6313
dc.subjectAstrophysics
dc.titleThe Ultra Luminous Infrared Galaxy MKN 231: New clues from BeppoSAX and XMM-Newton
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