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Article: Thermal X-ray pulses resulting from pulsar glitches

TitleThermal X-ray pulses resulting from pulsar glitches
Authors
KeywordsDense matter
Stars: evolution
Stars: interiors
Stars: neutron
X-rays: stars
Issue Date2001
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2001, v. 549 n. 2 PART 1, p. 1039-1049 How to Cite?
AbstractThe non-spherically symmetric transport equations and exact thermal evolution model are used to calculate the transient thermal response to pulsar glitches. The three possible forms of energy release from glitches, namely, the "shell," "ring," and "spot" cases, are compared. The X-ray light curves resulting from the thermal response to the glitches are calculated. Only the "spot" case and the "ring" case are considered because the "shell" case does not produce significant modulative X-rays. The magnetic field (B) effect, the relativistic light-bending effect, and the rotational effect on the photons being emitted in a finite region are considered. Different sets of parameters result in different evolution patterns of light curves. We find that this modulated thermal X-ray radiation resulting from glitches may provide some useful constraints on glitch models.
Persistent Identifierhttp://hdl.handle.net/10722/43316
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTang, APSen_HK
dc.contributor.authorCheng, KSen_HK
dc.date.accessioned2007-03-23T04:43:26Z-
dc.date.available2007-03-23T04:43:26Z-
dc.date.issued2001en_HK
dc.identifier.citationAstrophysical Journal Letters, 2001, v. 549 n. 2 PART 1, p. 1039-1049en_HK
dc.identifier.issn2041-8205en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43316-
dc.description.abstractThe non-spherically symmetric transport equations and exact thermal evolution model are used to calculate the transient thermal response to pulsar glitches. The three possible forms of energy release from glitches, namely, the "shell," "ring," and "spot" cases, are compared. The X-ray light curves resulting from the thermal response to the glitches are calculated. Only the "spot" case and the "ring" case are considered because the "shell" case does not produce significant modulative X-rays. The magnetic field (B) effect, the relativistic light-bending effect, and the rotational effect on the photons being emitted in a finite region are considered. Different sets of parameters result in different evolution patterns of light curves. We find that this modulated thermal X-ray radiation resulting from glitches may provide some useful constraints on glitch models.en_HK
dc.format.extent762335 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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsThe Astrophysical Journal. Copyright © University of Chicago Press.en_HK
dc.subjectDense matteren_HK
dc.subjectStars: evolutionen_HK
dc.subjectStars: interiorsen_HK
dc.subjectStars: neutronen_HK
dc.subjectX-rays: starsen_HK
dc.titleThermal X-ray pulses resulting from pulsar glitchesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0004-637X&volume=549&issue=pt 1&spage=1039&epage=1049&date=2001&atitle=Thermal+X-Ray+Pulses+Resulting+from+Pulsar+Glitchesen_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.doi10.1086/319427en_HK
dc.identifier.scopuseid_2-s2.0-0035835809en_HK
dc.identifier.hkuros56715-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035835809&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume549en_HK
dc.identifier.issue2 PART 1en_HK
dc.identifier.spage1039en_HK
dc.identifier.epage1049en_HK
dc.identifier.isiWOS:000167605200030-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridTang, APS=22735237200en_HK
dc.identifier.scopusauthoridCheng, KS=9745798500en_HK

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