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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4212
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dc.contributor.authorJain, Chetana-
dc.contributor.authorPaul, Biswajit-
dc.date.accessioned2011-12-15T05:33:20Z-
dc.date.available2011-12-15T05:33:20Z-
dc.date.issued2011-10-
dc.identifier.citationResearch in Astronomy and Astrophysics, 2011, Vol.11, p1134en
dc.identifier.issn1674-4527-
dc.identifier.urihttp://hdl.handle.net/2289/4212-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractWe present an X-ray timing analysis of the Crab pulsar, PSR B0531+21, using archival RXTE data. We have investigated the stability of the Crab pulse profile, in soft (2-20 keV) and hard (30-100 keV) X-ray energies, over the last decade of RXTE operation. The analysis includes measurement of the separation between the two pulse peaks and the intensity and widths of the two peaks. We did not find any significant time dependency in the pulse shape. The two peaks have been stable in phase, intensity and width for the last ten years. The first pulse is relatively stronger at soft X-rays. The first pulse peak is narrower than the second peak in both soft and hard X-ray energies. Both the peaks show a slow rise and a steeper fall. The ratio of the pulsed photons in the two peaks is also constant in time.en
dc.language.isoenen
dc.publisherIOP Publishing Limiteden
dc.relation.urihttp://adsabs.harvard.edu/abs/2011RAA....11.1134Jen
dc.relation.urihttp://arxiv.org/abs/1106.5645en
dc.relation.urihttp://dx.doi.org/10.1088/1674-4527/11/10/002en
dc.rights2011 IOP Publishing Ltd.en
dc.subjectPulsarsen
dc.subjectCrab starsen
dc.subjectNeutron— X-raysen
dc.titlePulse profile stability of the crab pulsaren
dc.typeArticleen
Appears in Collections:Research Papers (A&A)

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