INTEGRAL long-term monitoring of the supergiant fast X-ray transient XTE J1739-302

dc.contributor.authorBlay, P.
dc.contributor.authorMartínez-Núñez, S.
dc.contributor.authorNegueruela, I.
dc.contributor.authorPottschmidt, Katja
dc.contributor.authorSmith, D. M.
dc.contributor.authorTorrejón, J. M.
dc.contributor.authorReig, P.
dc.contributor.authorKretschmar, P.
dc.contributor.authorKreykenbohm, I.
dc.date.accessioned2023-10-04T21:12:36Z
dc.date.available2023-10-04T21:12:36Z
dc.date.issued2008-08-08
dc.description.abstractContext. In the past few years, a new class of high mass X-ray binaries (HMXRB) has been claimed to exist, the supergiant fast X-ray transients (SFXT). These are X-ray binary systems with a compact companion orbiting a supergiant star which show very short and bright outbursts in a series of activity periods overimposed on longer quiescent periods. Only very recently the first attempts to model the behaviour of these sources have been published, some of them within the framework of accretion from clumpy stellar winds. Aims. Our goal is to analyze the properties of XTE J1739-302/IGR J17391-3021 within the context of the clumpy structure of the supergiant wind. Methods. We have used INTEGRAL and RXTE/PCA observations to obtain broad band (1–200 keV) spectra and light curves of XTE J1739-302 and investigate its X-ray spectrum and temporal variability. Results. We have found that XTE J1739-302 follows a much more complex behaviour than expected. Far from presenting a regular variability pattern, XTE J1739-302 shows periods of high, intermediate, and low flaring activity.en_US
dc.description.sponsorshipWe are grateful to Craig Markwardt for sharing RXTE data durin the INTEGRAL KP2 period. S.M.N. is a researcher of the Programme Juan de la Cierva, funded by the Spanish Ministerio de Educación y Ciencia (MEC) and the University of Alicante, with partial support from the Generalitat Valenciana and the European Regional Development Fund (ERDF/FEDER). This research is partially supported by the MEC under grants AYA2005-00095 and CSD2006-70. J.M.T. aknowledges the support by the Spanish Ministerio de Educación y Ciencia (M.E.C.) under grant PR2007-0176. P. R. acknowledges the support of the European Union Marie Curie grant MTKD-CT-2006-039965. This research has made use of data obtained through the INTEGRAL Science Data Center (ISDC), Versoix, Switzerland.en_US
dc.description.urihttps://www.aanda.org/articles/aa/abs/2008/38/aa09385-08/aa09385-08.htmlen_US
dc.format.extent8 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2sqaa-wl5i
dc.identifier.citationBlay, P., S. Martínez-Núñez, I. Negueruela, K. Pottschmidt, D. M. Smith, J. M. Torrejón, P. Reig, P. Kretschmar, and I. Kreykenbohm. “INTEGRAL Long-Term Monitoring of the Supergiant Fast X-Ray Transient XTE J1739-302.” Astronomy & Astrophysics 489, no. 2 (October 1, 2008): 669–76. https://doi.org/10.1051/0004-6361:200809385.en_US
dc.identifier.urihttps://doi.org/10.1051/0004-6361:200809385
dc.identifier.urihttp://hdl.handle.net/11603/29952
dc.language.isoen_USen_US
dc.publisherEDP Scienceen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Faculty Collection
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.rightsAttribution 4.0 International (CC BY 4.0)*
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/*
dc.titleINTEGRAL long-term monitoring of the supergiant fast X-ray transient XTE J1739-302en_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0002-4656-6881en_US

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