LMC X-1 and LMC X-3 as Seen by RXTE

dc.contributor.authorWilms, J.
dc.contributor.authorNowak, M.A.
dc.contributor.authorDove, J.B.
dc.contributor.authorPottschmidt, Katja
dc.contributor.authorHeindl, W.A.
dc.contributor.authorBegelman, M.C.
dc.contributor.authorStaubert, R.
dc.date.accessioned2023-10-12T19:21:40Z
dc.date.available2023-10-12T19:21:40Z
dc.date.issued1998-01-01
dc.description.abstractLMC X-1 and LMC X-3 are the only two black holes that are consistently seen in the soft X-ray state. We present the results from the spectral and temporal analysis of a long (150 ksec) observation of these two objects. The spectra can be well described by a disk black body plus a high energy power-law, which extends to at least 50keV. Starting in December 1996 we have also monitored these objects with RXTE in about three to four week intervals. We present the evolution of the spectral parameters of the sources from the first twenty pointings. LMC X-1 has a very stable spectrum and does not exhibit any large scale variability. On the other hand, the appearance of LMC X-3 changes considerably over its 200d long cycle. This variability can either be explained by periodic changes in the mass transfer rate or by a precessing accretion disk analogous to Her X-1.en
dc.description.sponsorshipThe research presented in this paper has been financed by NASA grants NAG5-3225, NAG5-4621, NAGS-4737, and a travel grant to J.W. and K.P. from the DAAD.en
dc.description.urihttps://ntrs.nasa.gov/citations/19990062745en
dc.format.extent4 pagesen
dc.genretechnical reportsen
dc.identifierdoi:10.13016/m2w6yy-5roi
dc.identifier.citationWilms, J., M. A. Nowak, J. B. Dove, K. Pottschmidt, W. A. Heindl, M. C. Begelman, and R. Staubert. “LMC X-1 and LMC X-3 as Seen by RXTE,” January 1, 1998. https://ntrs.nasa.gov/citations/19990062745.en
dc.identifier.urihttp://hdl.handle.net/11603/30123
dc.language.isoenen
dc.publisherNASAen
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Physics Department
dc.rightsPublic Domain Mark 1.0*
dc.rightsThis is a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleLMC X-1 and LMC X-3 as Seen by RXTEen
dc.typeTexten
dcterms.creatorhttps://orcid.org/0000-0002-4656-6881en

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