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Detection and flux density measurements of the millisecond pulsar j2145-0750 below 100 mhz

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dc.contributorVirginia Techen
dc.contributor.authorDowell, J.en
dc.contributor.authorRay, P. S.en
dc.contributor.authorTaylor, G. B.en
dc.contributor.authorBlythe, J. N.en
dc.contributor.authorClarke, Tracy E.en
dc.contributor.authorCraig, J.en
dc.contributor.authorEllingson, Steven W.en
dc.contributor.authorHelmboldt, J. F.en
dc.contributor.authorHenning, P. A.en
dc.contributor.authorLazio, T. J. W.en
dc.contributor.authorSchinzel, F.en
dc.contributor.authorStovall, K.en
dc.contributor.authorWolfe, C. N.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessed2014-02-05en
dc.date.accessioned2014-02-25T13:57:07Zen
dc.date.available2014-02-25T13:57:07Zen
dc.date.issued2013-09-01en
dc.description.abstractWe present flux density measurements and pulse profiles for the millisecond pulsar PSR J2145-0750 spanning 37 to 81 MHz using data obtained from the first station of the Long Wavelength Array. These measurements represent the lowest frequency detection of pulsed emission from a millisecond pulsar to date. We find that the pulse profile is similar to that observed at 102 MHz. We also find that the flux density spectrum between approximate to 40 MHz to 5 GHz is suggestive of a break and may be better fit by a model that includes spectral curvature with a rollover around 730 MHz rather than a single power law.en
dc.description.sponsorshipOffice of Naval Research N00014-07-C-0147en
dc.description.sponsorshipNational Science Foundation AST-1139963, AST-1139974en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationJ. Dowell et al. 2013. "detection and flux density measurements of the millisecond pulsar j2145-0750 below 100 mhz," ApJ 775 L28 doi:10.1088/2041-8205/775/1/L28en
dc.identifier.doihttps://doi.org/10.1088/2041-8205/775/1/l28en
dc.identifier.issn2041-8205en
dc.identifier.urihttp://hdl.handle.net/10919/25560en
dc.identifier.urlhttp://iopscience.iop.org/2041-8205/775/1/L28/pdf/2041-8205_775_1_L28.pdfen
dc.language.isoenen
dc.publisherIOP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPulsars: generalen
dc.subjectPulsars: individual (psr j2145-0750)en
dc.subjectScintillationen
dc.subjectDispersionen
dc.subjectTelescopeen
dc.subjectSpectraen
dc.titleDetection and flux density measurements of the millisecond pulsar j2145-0750 below 100 mhzen
dc.title.serialAstrophysical Journal Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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