On the nature of X-ray Bright Optically Normal galaxies

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dc.creatorComastri, A.
dc.creatorBrusa, M.
dc.creatorCiliegi, P.
dc.creatorMignoli, M.
dc.creatorFiore, F.
dc.creatorMaiolino, R.
dc.creatorSevergnini, P.
dc.creatorBaldi, A.
dc.creatorMolendi, S.
dc.creatorVignali, C.
dc.creatorLa Franca, F.
dc.creatorMatt, G.
dc.creatorPerola, G. C.
dc.date2002-03-03
dc.date.accessioned2026-07-07T02:02:59Z
dc.date.available2026-07-07T02:02:59Z
dc.descriptionMultiwavelength observations of the hard X-ray selected sources by Chandra and XMM-Newton surveys have significantly improved our knowledge of the objects responsible of the hard X-ray background. A surprising finding is the discovery of a population of optically dull, X-ray bright galaxies emerging at 2-10 keV fluxes of the order of 10^{-14} erg cm^{-2} s^{-1}. We present preliminary results of multiwavelength observations of a few objects serendipitously discovered in the field of XMM-Newton and Chandra observations and intensively studied at longer wavelengths.
dc.description6 pages, 6 figures. Oral contribution to "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/0203019
dc.identifierhttp://arxiv.org/abs/astro-ph/0203019
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/4235
dc.subjectAstrophysics
dc.titleOn the nature of X-ray Bright Optically Normal galaxies
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