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Article: The phase-resolved X-ray spectra of the Crab pulsar
Title | The phase-resolved X-ray spectra of the Crab pulsar |
---|---|
Authors | |
Keywords | Pulsars: individual (Crab Pulsar) X-rays: stars |
Issue Date | 2002 |
Publisher | Institute 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? |
Abstract | We 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 Identifier | http://hdl.handle.net/10722/43354 |
ISSN | 2023 Impact Factor: 8.8 2023 SCImago Journal Rankings: 2.766 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zhang, L | en_HK |
dc.contributor.author | Cheng, KS | en_HK |
dc.date.accessioned | 2007-03-23T04:44:09Z | - |
dc.date.available | 2007-03-23T04:44:09Z | - |
dc.date.issued | 2002 | en_HK |
dc.identifier.citation | Astrophysical Journal Letters, 2002, v. 569 n. 2 I, p. 872-877 | en_HK |
dc.identifier.issn | 2041-8205 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/43354 | - |
dc.description.abstract | We 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.extent | 126699 bytes | - |
dc.format.extent | 12158 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | text/plain | - |
dc.language | eng | en_HK |
dc.publisher | Institute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205 | en_HK |
dc.relation.ispartof | Astrophysical Journal Letters | en_HK |
dc.rights | The Astrophysical Journal. Copyright © University of Chicago Press. | en_HK |
dc.subject | Pulsars: individual (Crab Pulsar) | en_HK |
dc.subject | X-rays: stars | en_HK |
dc.title | The phase-resolved X-ray spectra of the Crab pulsar | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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+Pulsar | en_HK |
dc.identifier.email | Cheng, KS: hrspksc@hkucc.hku.hk | en_HK |
dc.identifier.authority | Cheng, KS=rp00675 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1086/339347 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0010280412 | en_HK |
dc.identifier.hkuros | 68895 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0010280412&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 569 | en_HK |
dc.identifier.issue | 2 I | en_HK |
dc.identifier.spage | 872 | en_HK |
dc.identifier.epage | 877 | en_HK |
dc.identifier.isi | WOS:000174989900028 | - |
dc.publisher.place | United Kingdom | en_HK |
dc.identifier.scopusauthorid | Zhang, L=38762428100 | en_HK |
dc.identifier.scopusauthorid | Cheng, KS=9745798500 | en_HK |
dc.identifier.issnl | 2041-8205 | - |