The broadband spectrum of Cygnus X-1

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dc.contributor.authorFritz, S.
dc.contributor.authorWilms, J.
dc.contributor.authorPottschmidt, Katja
dc.contributor.authorNowak, M. A.
dc.contributor.authorKendziorra, E.
dc.contributor.authorKirsch, M. G.
dc.contributor.authorKreykenbohm, I.
dc.contributor.authorSantangelo, A.
dc.date.accessioned2023-10-06T21:07:35Z
dc.date.available2023-10-06T21:07:35Z
dc.date.issued2007-06-14
dc.description.abstractThe Black Hole (BH) binary Cygnus X-1 has been observed simultaneously by INTEGRAL, RXTE, and XMM-Newton for four times in November and December 2004, when Cyg X-1 became first observable with XMM-Newton. During these observations the source was found in one of its transitional states between the hard state and the soft state. We obtained a high signal to noise spectrum of Cyg X-1 from 3 keV to 1 MeV which allows us to put constraints on the nature of the Comptonizing plasma by modeling the continuum with Comptonization models as eqpair (Coppi 1992). Using XMM-Newton we were also able to confirm the presence of a relativistically broadened Fe K-alpha line.en_US
dc.description.urihttps://arxiv.org/abs/0706.2137en_US
dc.format.extent4 pagesen_US
dc.genrejournal articlesen_US
dc.genrepreprintsen_US
dc.identifierdoi:10.13016/m2wbnj-p77r
dc.identifier.urihttps://doi.org/10.48550/arXiv.0706.2137
dc.identifier.urihttp://hdl.handle.net/11603/30018
dc.language.isoen_USen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Physics Department
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.en_US
dc.titleThe broadband spectrum of Cygnus X-1en_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0002-4656-6881en_US

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