THE IDENTIFICATION OF THE X-RAY COUNTERPART TO PSR J2021+4026

dc.creatorAlberto Carramiñana Alonso
dc.date2011-12-10
dc.date.accessioned2023-07-25T16:24:31Z
dc.date.available2023-07-25T16:24:31Z
dc.identifierhttp://inaoe.repositorioinstitucional.mx/jspui/handle/1009/1888
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7807079
dc.descriptionWe report the probable identification of the X-ray counterpart to the γ -ray pulsar PSR J2021+4026 using imaging with the Chandra X-ray Observatory Advanced CCD Imaging Spectrometer and timing analysis with the Fermi satellite. Given the statistical and systematic errors, the positions determined by both satellites are coincident. The X-ray source position is R.A. 20 ͪ 21 ͫ 30ˢ.733, decl. + 40◦26’46“.04 (J2000) with an estimated uncertainty of 1“.3 combined statistical and systematic error. Moreover, both the X-ray to γ -ray and the X-ray to optical flux ratios are sensible assuming a neutron star origin for the X-ray flux. The X-ray source has no cataloged infrared-to-visible counterpart and, through new observations, we set upper limits to its optical emission of i’ > 23.0 mag and r’ > 25.2 mag. The source exhibits an X-ray spectrum with most likely both a power law and a thermal component. We also report on the X-ray and visible light properties of the 43 other sources detected in our Chandra observation.
dc.formatapplication/pdf
dc.languageeng
dc.publisherThe Astrophysical Journal
dc.relationcitation:Weisskopf, Martin C., et al., (2011), THE IDENTIFICATION OF THE X-RAY COUNTERPART TO PSR J2021+4026, The Astrophysical Journal, Vol. 743(74):1-12.
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.subjectinfo:eu-repo/classification/Inspec/Pulsars: individual (PSR J2021+4026)
dc.subjectinfo:eu-repo/classification/Inspec/Supernovae: individual (SNR 78.2+2.1)
dc.subjectinfo:eu-repo/classification/Inspec/X-rays: general
dc.subjectinfo:eu-repo/classification/cti/1
dc.subjectinfo:eu-repo/classification/cti/21
dc.subjectinfo:eu-repo/classification/cti/21
dc.titleTHE IDENTIFICATION OF THE X-RAY COUNTERPART TO PSR J2021+4026
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/acceptedVersion
dc.audiencestudents
dc.audienceresearchers
dc.audiencegeneralPublic


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