An XMM-Newton Survey of Ultra-Luminous Infrared Galaxies

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dc.creatorBraito, V.
dc.creatorFranceschini, A.
dc.creatorDella Ceca, R.
dc.creatorBassani, L.
dc.creatorCappi, M.
dc.creatorMalaguti, P.
dc.creatorPalumbo, G. G. C.
dc.creatorPersic, M.
dc.creatorRisaliti, G.
dc.creatorSalvati, M.
dc.creatorSevergnini, P.
dc.date2002-02-19
dc.date.accessioned2026-07-07T02:02:51Z
dc.date.available2026-07-07T02:02:51Z
dc.descriptionWe present preliminary results of XMM-Newton observations of 5 Ultra-luminous Infrared Galaxies (ULIRGs), part of a mini-survey program dedicated to 10 ULIRGs selected from the bright IRAS sample. For 3 of them (IRAS 20551-4250, IRAS 19254-7245 and Mkn 231) we find strong evidence for the presence of a hidden AGN, while for two others (IRAS 20110-4156 IRAS 22491-1808) the S/N ratio of the data does not allow us to be conclusive. In particular, we have detected a strong Fe-K line in the X-ray spectra of IRAS19254-7245, with an equivalent width (~2 keV) suggestive that most of the energy source in this object is due to a deeply buried AGN.
dc.description4 pages, 3 figures, Latex manuscript, Proc. Symnposium ``New Visions of the X-ray Universe in the XMM-Newton and Chandra Era", 26-30 November 2001, ESTEC, The Netherlands
dc.identifierhttps://arxiv.org/abs/astro-ph/0202352
dc.identifierhttp://arxiv.org/abs/astro-ph/0202352
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/4189
dc.subjectAstrophysics
dc.titleAn XMM-Newton Survey of Ultra-Luminous Infrared Galaxies
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