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dc.contributor.authorImam, Sıtkı Cagdas
dc.contributor.authorSerim, M.M.
dc.contributor.authorSahiner, S.
dc.contributor.authorCerri-Serim, D.
dc.contributor.authorBaykal, A.
dc.date.accessioned2019-06-10T12:48:58Z
dc.date.available2019-06-10T12:48:58Z
dc.date.issued2017
dc.identifier.issn0035-8711
dc.identifier.urihttps://arxiv.org/pdf/1706.00727.pdf
dc.identifier.urihttp://hdl.handle.net/11727/3423
dc.description.abstractWe present timing analysis of the accretion-powered pulsar SXP 1062, based on the observations of Swift, XMM-Newton and Chandra satellites covering a time span of about 2 yr. We obtain a phase coherent timing solution that shows that SXP 1062 has been steadily spinning down with a rate-4.29(7) x10(-14) Hz s(-1) leading to a surface magnetic field estimate of about 1.5 x 10(14) G. We also resolve the binary orbital motion of the system from X-ray data that confirms an orbital period of 656(2) d. On MJD 56834.5, a sudden change in pulse frequency occurs with Delta v = 1.28(5) x 10(-6) Hz, which indicates a glitch event. The fractional size of the glitch is Delta v/v similar to 1.37(6) x 10(-3) and SXP 1062 continues to spin-down with a steady rate after the glitch. A short X-ray outburst 25 d prior to the glitch does not alter the spin-down of the source; therefore, the glitch should be associated with the internal structure of the neutron star. While glitch events are common for isolated pulsars, the glitch of SXP 1062 is the first confirmation of the observability of this type of events among accretion-powered pulsars. Furthermore, the value of the fractional change of pulse frequency ensures that we discover the largest glitch reported up to now.en_US
dc.language.isoengen_US
dc.relation.isversionof10.1093/mnras/stx1771en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAccretionen_US
dc.subjectAccretion discsen_US
dc.subjectStarsen_US
dc.subjectNeutronen_US
dc.subjectPulsarsen_US
dc.subjectİndividualen_US
dc.subjectSXP 1062en_US
dc.subjectX-raysen_US
dc.subjectBinariesen_US
dc.titleDiscovery of a glitch in the accretion- powered pulsar SXP 1062en_US
dc.typearticleen_US
dc.relation.journalMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYen_US
dc.identifier.volume471en_US
dc.identifier.issue4en_US
dc.identifier.startpage4982en_US
dc.identifier.endpage4989en_US
dc.identifier.wos000410943800093


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