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The blazar S5 0014+813: a real or apparent monster?
dc.contributor.authorGhisellini, G.en_US
dc.contributor.authorFoschini, L.en_US
dc.contributor.authorVolonteri, Martaen_US
dc.contributor.authorGhirlanda, G.en_US
dc.contributor.authorHaardt, Francescoen_US
dc.contributor.authorBurlon, D.en_US
dc.contributor.authorTavecchio, F.en_US
dc.date.accessioned2010-04-01T14:42:47Z
dc.date.available2010-04-01T14:42:47Z
dc.date.issued2009-10-11en_US
dc.identifier.citationGhisellini, G.; Foschini, L.; Volonteri, M.; Ghirlanda, G.; Haardt, F.; Burlon, D.; Tavecchio, F. (2009). "The blazar S5 0014+813: a real or apparent monster?." Monthly Notices of the Royal Astronomical Society: Letters 399(1): L24-L28. <http://hdl.handle.net/2027.42/65157>en_US
dc.identifier.issn1745-3925en_US
dc.identifier.issn1745-3933en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/65157
dc.description.abstractA strong hard X-ray luminosity from a blazar flags the presence of a very powerful jet. If the jet power is in turn related to the mass accretion rate, the most luminous, hard X-ray blazars should pinpoint the largest accretion rates, and thus the largest black hole masses. These ideas are confirmed by the Swift satellite observations of the blazar S5 0014+813, at the redshift z = 3.366 . Swift detected this source with all its three instruments, from the optical to the hard X-rays. Through the construction of its spectral energy distribution, we are confident that its optical-ultraviolet (UV) emission is thermal in origin. Associating it with the emission of a standard optically thick geometrically thin accretion disc, we find a black hole mass, M ∼ 4 × 10 10  M , radiating at 40 per cent the Eddington value. The derived mass is among the largest ever found. Super-Eddington slim discs or thick discs with the presence of a collimating funnel can in principle reduce the black hole mass estimate, but tend to produce spectra bluer than observed.en_US
dc.format.extent533094 bytes
dc.format.extent3110 bytes
dc.format.mimetypeapplication/pdf
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dc.publisherBlackwell Publishing Ltden_US
dc.rightsJournal compilation © 2009 RASen_US
dc.subject.otherRadiation Mechanisms: Non-thermalen_US
dc.subject.otherQuasars: Generalen_US
dc.subject.otherGamma-rays: Theoryen_US
dc.subject.otherX-rays: Generalen_US
dc.titleThe blazar S5 0014+813: a real or apparent monster?en_US
dc.typeArticleen_US
dc.rights.robotsIndexNoFollowen_US
dc.subject.hlbsecondlevelAstronomyen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumAstronomy Department, University of Michigan, Ann Arbor, MI 48109, USAen_US
dc.contributor.affiliationotherINAF – Osservatorio Astronomico di Brera, Via Bianchi 46, I–23807 Merate, Italyen_US
dc.contributor.affiliationotherUniversitÁ dell'Insubria, Dipartimento di Scienze Chimiche, Fisiche e Matematiche, Via Valleggio 11, 22100 Como, Italyen_US
dc.contributor.affiliationotherMax Planck Institut fÜr extraterrestrische Physik, Giessenbachstrasse 1, 85748 Garching, Germanyen_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/65157/1/j.1745-3933.2009.00716.x.pdf
dc.identifier.doi10.1111/j.1745-3933.2009.00716.xen_US
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