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Article: The phase-resolved X-ray spectra of the Crab pulsar

TitleThe phase-resolved X-ray spectra of the Crab pulsar
Authors
Zhang, LCheng, KS
KeywordsPulsars: individual (Crab Pulsar)
X-rays: stars
Issue Date2002
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2002, v. 569 n. 2 I, p. 872-877 How to Cite?
DOI: http://dx.doi.org/10.1086/339347
AbstractWe present a theoretical study of phase-dependent X-ray emission from the Crab pulsar. In the three-dimensional outer gap model for the Crab pulsar, X-ray emission is produced by synchrotron radiation of the secondary e ± pairs, which is sensitive to the local properties of the emission regions, i.e., local magnetic field strength and local number e ± density. We calculate X-ray pulse profiles for different energy bands and phase-dependent spectral indices of X-rays. We show that such a model can reproduce approximately the basic properties of the observed phase-dependent X-ray spectra of the Crab pulsar.
Persistent Identifierhttp://hdl.handle.net/10722/43354
ISSN
2041-8205
2023 Impact Factor: 8.8
2023 SCImago Journal Rankings: 2.766
ISI Accession Number ID
WOS:000174989900028
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorZhang, Len_HK
dc.contributor.authorCheng, KSen_HK
dc.date.accessioned2007-03-23T04:44:09Z-
dc.date.available2007-03-23T04:44:09Z-
dc.date.issued2002en_HK
dc.identifier.citationAstrophysical Journal Letters, 2002, v. 569 n. 2 I, p. 872-877en_HK
dc.identifier.issn2041-8205en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43354-
dc.description.abstractWe present a theoretical study of phase-dependent X-ray emission from the Crab pulsar. In the three-dimensional outer gap model for the Crab pulsar, X-ray emission is produced by synchrotron radiation of the secondary e ± pairs, which is sensitive to the local properties of the emission regions, i.e., local magnetic field strength and local number e ± density. We calculate X-ray pulse profiles for different energy bands and phase-dependent spectral indices of X-rays. We show that such a model can reproduce approximately the basic properties of the observed phase-dependent X-ray spectra of the Crab pulsar.en_HK
dc.format.extent126699 bytes-
dc.format.extent12158 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205en_HK
dc.relation.ispartofAstrophysical Journal Lettersen_HK
dc.rightsThe Astrophysical Journal. Copyright © University of Chicago Press.en_HK
dc.subjectPulsars: individual (Crab Pulsar)en_HK
dc.subjectX-rays: starsen_HK
dc.titleThe phase-resolved X-ray spectra of the Crab pulsaren_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0004-637X&volume=569&issue=pt 1&spage=872&epage=877&date=2002&atitle=The+Phase-resolved+X-Ray+Spectra+of+the+Crab+Pulsaren_HK
dc.identifier.emailCheng, KS: hrspksc@hkucc.hku.hken_HK
dc.identifier.authorityCheng, KS=rp00675en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1086/339347en_HK
dc.identifier.scopuseid_2-s2.0-0010280412en_HK
dc.identifier.hkuros68895-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0010280412&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume569en_HK
dc.identifier.issue2 Ien_HK
dc.identifier.spage872en_HK
dc.identifier.epage877en_HK
dc.identifier.isiWOS:000174989900028-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZhang, L=38762428100en_HK
dc.identifier.scopusauthoridCheng, KS=9745798500en_HK
dc.identifier.issnl2041-8205-

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