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Article: The phase-resolved high energy spectrum of the crab pulsar

TitleThe phase-resolved high energy spectrum of the crab pulsar
Authors
KeywordsNeutron stars
Pulsars
Radiation mechanism
Radiation processes
Issue Date2007
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/asr
Citation
Advances In Space Research, 2007, v. 40 n. 10, p. 1425-1431 How to Cite?
AbstractWe present a modified outer gap model to study the phase-resolved spectra of the Crab pulsar. A theoretical double peak profile of the light curve containing the whole phase is shown to be consistent with the observed light curve of the Crab pulsar by shifting the inner boundary of the outer gap inwardly to ∼10 stellar radii above the neutron star surface. In this model, the radial distances of the photons corresponding to different phases can be determined in the numerical calculation. Also the local electrodynamics, such as the accelerating electric field, the curvature radius of the magnetic field line and the soft photon energy, are sensitive to the radial distances to the neutron star. Using a synchrotron self-Compton mechanism, the phase-resolved spectra with the energy range from 100 eV to 3 GeV of the Crab pulsar can also be explained. © 2007 COSPAR.
Persistent Identifierhttp://hdl.handle.net/10722/80556
ISSN
2015 Impact Factor: 1.409
2015 SCImago Journal Rankings: 0.606
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorJia, JJen_HK
dc.contributor.authorTang, APSen_HK
dc.contributor.authorTakata, Jen_HK
dc.contributor.authorChang, HKen_HK
dc.contributor.authorCheng, KSen_HK
dc.date.accessioned2010-09-06T08:07:44Z-
dc.date.available2010-09-06T08:07:44Z-
dc.date.issued2007en_HK
dc.identifier.citationAdvances In Space Research, 2007, v. 40 n. 10, p. 1425-1431en_HK
dc.identifier.issn0273-1177en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80556-
dc.description.abstractWe present a modified outer gap model to study the phase-resolved spectra of the Crab pulsar. A theoretical double peak profile of the light curve containing the whole phase is shown to be consistent with the observed light curve of the Crab pulsar by shifting the inner boundary of the outer gap inwardly to ∼10 stellar radii above the neutron star surface. In this model, the radial distances of the photons corresponding to different phases can be determined in the numerical calculation. Also the local electrodynamics, such as the accelerating electric field, the curvature radius of the magnetic field line and the soft photon energy, are sensitive to the radial distances to the neutron star. Using a synchrotron self-Compton mechanism, the phase-resolved spectra with the energy range from 100 eV to 3 GeV of the Crab pulsar can also be explained. © 2007 COSPAR.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/asren_HK
dc.relation.ispartofAdvances in Space Researchen_HK
dc.subjectNeutron starsen_HK
dc.subjectPulsarsen_HK
dc.subjectRadiation mechanismen_HK
dc.subjectRadiation processesen_HK
dc.titleThe phase-resolved high energy spectrum of the crab pulsaren_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0273-1177&volume=40&spage=1425&epage=1431&date=2007&atitle=The+phase-resolved+high+energy+spectrum+of+the+crab+pulsaren_HK
dc.identifier.emailTakata, J: takata@hku.hken_HK
dc.identifier.emailCheng, KS: hrspksc@hkucc.hku.hken_HK
dc.identifier.authorityTakata, J=rp00786en_HK
dc.identifier.authorityCheng, KS=rp00675en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.asr.2007.02.076en_HK
dc.identifier.scopuseid_2-s2.0-35248843144en_HK
dc.identifier.hkuros138271en_HK
dc.identifier.hkuros170783-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-35248843144&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume40en_HK
dc.identifier.issue10en_HK
dc.identifier.spage1425en_HK
dc.identifier.epage1431en_HK
dc.identifier.isiWOS:000253590100001-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridJia, JJ=36865537900en_HK
dc.identifier.scopusauthoridTang, APS=22735237200en_HK
dc.identifier.scopusauthoridTakata, J=22735157300en_HK
dc.identifier.scopusauthoridChang, HK=7407523188en_HK
dc.identifier.scopusauthoridCheng, KS=9745798500en_HK

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