The ULX source X-3 in NGC 4258: a search for its X-ray and optical properties

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dc.authoridBalman, Solen/0000-0001-6135-1144
dc.authoridavdan, senay/0000-0001-8986-8022
dc.authoridAkkaya Oralhan, Inci/0000-0003-1787-7418
dc.authoridALLAK, Dr. Sinan/0000-0001-7093-1079
dc.authoridaksaker, nazim/0000-0001-8721-5036
dc.authoridAKYUZ, AYSUN/0000-0001-9533-9805
dc.contributor.authorAkyuz, A.
dc.contributor.authorAvdan, S.
dc.contributor.authorAllak, S.
dc.contributor.authorAksaker, N.
dc.contributor.authorOralhan, I. Akkaya
dc.contributor.authorBalman, S.
dc.date.accessioned2025-01-27T20:59:52Z
dc.date.available2025-01-27T20:59:52Z
dc.date.issued2020
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
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.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [117F115]; Cukurova University Research Fund [FBA2019-11803]
dc.description.sponsorshipWe thank the anonymous referee for providing very helpful comments. We also thank M.E. Ozel for his valuable contributions and suggestions. This research was supported by the Scientific and Technological Research Council of Turkey (TUBITAK) through project number 117F115. This research was also supported by the Cukurova University Research Fund through project number FBA2019-11803.
dc.identifier.doi10.1093/mnras/staa2823
dc.identifier.endpage2147
dc.identifier.issn0035-8711
dc.identifier.issn1365-2966
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85096829902
dc.identifier.scopusqualityQ1
dc.identifier.startpage2138
dc.identifier.urihttps://doi.org/10.1093/mnras/staa2823
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26859
dc.identifier.volume499
dc.identifier.wosWOS:000587762900045
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherOxford Univ Press
dc.relation.ispartofMonthly Notices of The Royal Astronomical Society
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectgalaxies: individual: NGC 4258
dc.subjectX-rays: binaries
dc.titleThe ULX source X-3 in NGC 4258: a search for its X-ray and optical properties
dc.typeArticle

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