BeppoSAX unveils the nuclear component in NGC 6240

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dc.creatorVignati, P.
dc.creatorMolendi, S.
dc.creatorMatt, G.
dc.creatorGuainazzi, M.
dc.creatorAntonelli, L. A.
dc.creatorBassani, L.
dc.creatorBrandt, W. N.
dc.creatorFabian, A. C.
dc.creatorIwasawa, K.
dc.creatorMaiolino, R.
dc.creatorMalaguti, G.
dc.creatorMarconi, A.
dc.creatorPerola, G. C.
dc.date1999-08-23
dc.date.accessioned2026-07-07T02:32:54Z
dc.date.available2026-07-07T02:32:54Z
dc.descriptionThe direct nuclear X-ray emission of the ultraluminous IRAS galaxy NGC 6240 has been observed for the first time by BeppoSAX. It is seen through an absorber with N_H=2*10^{24} cm^{-2}. The 2-10 keV X-ray luminosity >10^{44} erg s^{-1} definitely proves that a powerful AGN is hosted in this galaxy, despite the LINER optical appearance. Assuming the typical L_X/L_bol ratio for quasars, our result implies that it is the AGN and not the starburst that dominates the energy output of NGC 6240.
dc.descriptionTo appear in A&A Letters
dc.identifierhttps://arxiv.org/abs/astro-ph/9908253
dc.identifierhttp://arxiv.org/abs/astro-ph/9908253
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/14631
dc.subjectAstrophysics
dc.titleBeppoSAX unveils the nuclear component in NGC 6240
dc.typetext

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