Obscured Accretion and Black Holes

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dc.creatorFabian, A. C
dc.date2001-09-10
dc.date.accessioned2026-07-07T01:59:55Z
dc.date.available2026-07-07T01:59:55Z
dc.descriptionThe evidence for obscured AGN and in particular for obscured quasars is discussed. The spectrum and source modelling of the X-ray Background suggests that most massive black holes grow by obscured accretion. A possible major growth phase which is Compton thick is explored and shown to be difficult to detect directly with current instruments.
dc.description8 pages, 6 figures, presented at the meeting: "Issues in unifications of AGNs" Marciana Marina, May 2001; eds. R. Maiolino, A. Marconi and N. Nagar
dc.identifierhttps://arxiv.org/abs/astro-ph/0109156
dc.identifierhttp://arxiv.org/abs/astro-ph/0109156
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/3304
dc.subjectAstrophysics
dc.titleObscured Accretion and Black Holes
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