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Article: A tool for probing the structure of neutron stars: Transient X-ray emission

TitleA tool for probing the structure of neutron stars: Transient X-ray emission
Authors
KeywordsStars: Neutron
X-Rays: Stars
Issue Date1994
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 1994, v. 425 n. 1, p. 210-216 How to Cite?
AbstractWe suggest that some galactic transient X-ray sources are actually very old neutron stars. An intense transient thermal X-ray flux will be emitted from these sources when a sudden period jump occurs. This phenomenon, called a glitch, results from either sudden angular momentum transfer from crustal superflid to the solid part of the star or sudden fracture of the crustal lattice due to gravitational stress. The excess of the rotation energy will be dissipated in terms of thermal radiation. Such transient X-ray emission should be detectable if the source is located within 1 kpc of the solar system. Most important, the evolution of a thermal X-ray transient can provide valuable information for the equation of state of the stars because the peak of the thermal flux and the characteristic timescales, e.g., the timescale to reach the X-ray flux peak, duration of the thermal pulse, and the timescale to reach the steady state, which are observable and are sensitive to the equation of state of neutron stars.
Persistent Identifierhttp://hdl.handle.net/10722/174913
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369

 

DC FieldValueLanguage
dc.contributor.authorChong, Nen_US
dc.contributor.authorCheng, KSen_US
dc.date.accessioned2012-11-26T08:48:05Z-
dc.date.available2012-11-26T08:48:05Z-
dc.date.issued1994en_US
dc.identifier.citationAstrophysical Journal Letters, 1994, v. 425 n. 1, p. 210-216en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/10722/174913-
dc.description.abstractWe suggest that some galactic transient X-ray sources are actually very old neutron stars. An intense transient thermal X-ray flux will be emitted from these sources when a sudden period jump occurs. This phenomenon, called a glitch, results from either sudden angular momentum transfer from crustal superflid to the solid part of the star or sudden fracture of the crustal lattice due to gravitational stress. The excess of the rotation energy will be dissipated in terms of thermal radiation. Such transient X-ray emission should be detectable if the source is located within 1 kpc of the solar system. Most important, the evolution of a thermal X-ray transient can provide valuable information for the equation of state of the stars because the peak of the thermal flux and the characteristic timescales, e.g., the timescale to reach the X-ray flux peak, duration of the thermal pulse, and the timescale to reach the steady state, which are observable and are sensitive to the equation of state of neutron stars.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205en_US
dc.relation.ispartofAstrophysical Journal Lettersen_US
dc.subjectStars: Neutronen_US
dc.subjectX-Rays: Starsen_US
dc.titleA tool for probing the structure of neutron stars: Transient X-ray emissionen_US
dc.typeArticleen_US
dc.identifier.emailCheng, KS: hrspksc@hkucc.hku.hken_US
dc.identifier.authorityCheng, KS=rp00675en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-12044254584en_US
dc.identifier.volume425en_US
dc.identifier.issue1en_US
dc.identifier.spage210en_US
dc.identifier.epage216en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridChong, N=43960969800en_US
dc.identifier.scopusauthoridCheng, KS=9745798500en_US

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