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dc.contributor.authorAkyüz, Aysun
dc.contributor.authorAvdan, Şenay
dc.contributor.authorAllak, Sinan
dc.contributor.authorAksaker, Nazım
dc.contributor.authorOralhan, İnci Akkaya
dc.contributor.authorBalman, Şölen
dc.date.accessioned2021-01-28T11:10:55Z
dc.date.available2021-01-28T11:10:55Z
dc.date.issued2020
dc.identifier.issn0035-8711en_US
dc.identifier.issn1365-2966en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12469/3769
dc.identifier.urihttps://doi.org/10.1093/mnras/staa2823
dc.description.abstractWe present the results of a search for the nature of ultraluminous X-ray source (ULX) X-3 in the nearby galaxy NGC 4258. We use archival data from XMM-Newton, Chandra, NuSTAR, and Hubble Space Telescope (HST) observations. Total X-ray data were analysed to find that the model parameters of the system are indicative of a stellar-mass black hole, similar to 10 M-circle dot, as the central compact object. Furthermore, analyses of the optical data from HST reveal two optical candidates at 90 per cent confidence level within an error radius of 0.28 arcsec. Assuming the optical emission is dominated by the donor star, both of these candidates are found to have spectral types that lie between B3 and F1 with absolute magnitudes of M-V approximate to -6.4. Moreover, the age and mass estimates for the candidates are found to be 10 and 18 Myr and 13 and 20 M-circle dot, respectively.en_US
dc.description.sponsorshipTubitak Cukurova Universityen_US
dc.language.isoengen_US
dc.publisherOxford Univ Pressen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectGalaxiesen_US
dc.subjectIndividualen_US
dc.subjectNGC 4258en_US
dc.subjectX-Raysen_US
dc.subjectBinariesen_US
dc.titleThe ULX source X-3 in NGC 4258: a search for its X-ray and optical propertiesen_US
dc.typearticleen_US
dc.identifier.startpage2138en_US
dc.identifier.endpage2147en_US
dc.relation.journalMonthly Notices of the Royal Astronomical Societyen_US
dc.identifier.issue2en_US
dc.identifier.volume499en_US
dc.identifier.wosWOS:000587762900045en_US
dc.identifier.doi10.1093/mnras/staa2823en_US
dc.identifier.scopus2-s2.0-85096829902en_US
dc.institutionauthorBalman, Şölenen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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