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Article: Fitting pulsar wind tori

TitleFitting pulsar wind tori
Authors
KeywordsPulsars: General
Stars: Neutron
Stars: Rotation
Stars: Winds, Outflows
Issue Date2004
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0004-637X
Citation
Astrophysical Journal, 2004, v. 601 n. 1 I, p. 479-484 How to Cite?
AbstractChandra X-Ray Observatory imaging has shown that equatorial tori, often with polar jets, are very common in young pulsar wind nebulae (PWNe). These structures are interesting both for what they reveal about the relativistic wind itself and for the (nearly) model-independent measurement of the neutron star spin orientation they provide. The latter is a particularly valuable probe of pulsar emission models and neutron star physics. We describe here a procedure for fitting simple three-dimensional torus models to the X-ray data, which provides robust estimates of the geometric parameters. An application to six PWN tori gives orientations, PWN shock scales, and postshock wind speeds, along with statistical errors. We illustrate the use of these data by commenting on the implications for kick physics and high-energy beaming models.
Persistent Identifierhttp://hdl.handle.net/10722/180480
ISSN
2015 Impact Factor: 5.909
2015 SCImago Journal Rankings: 3.266
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNg, CYen_US
dc.contributor.authorRomani, RWen_US
dc.date.accessioned2013-01-28T01:38:43Z-
dc.date.available2013-01-28T01:38:43Z-
dc.date.issued2004en_US
dc.identifier.citationAstrophysical Journal, 2004, v. 601 n. 1 I, p. 479-484en_US
dc.identifier.issn0004-637Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/180480-
dc.description.abstractChandra X-Ray Observatory imaging has shown that equatorial tori, often with polar jets, are very common in young pulsar wind nebulae (PWNe). These structures are interesting both for what they reveal about the relativistic wind itself and for the (nearly) model-independent measurement of the neutron star spin orientation they provide. The latter is a particularly valuable probe of pulsar emission models and neutron star physics. We describe here a procedure for fitting simple three-dimensional torus models to the X-ray data, which provides robust estimates of the geometric parameters. An application to six PWN tori gives orientations, PWN shock scales, and postshock wind speeds, along with statistical errors. We illustrate the use of these data by commenting on the implications for kick physics and high-energy beaming models.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0004-637Xen_US
dc.relation.ispartofAstrophysical Journalen_US
dc.subjectPulsars: Generalen_US
dc.subjectStars: Neutronen_US
dc.subjectStars: Rotationen_US
dc.subjectStars: Winds, Outflowsen_US
dc.titleFitting pulsar wind torien_US
dc.typeArticleen_US
dc.identifier.emailNg, CY: stephen_ng@hku.hken_US
dc.identifier.authorityNg, CY=rp01706en_US
dc.description.naturelink_to_OA_fulltexten_US
dc.identifier.doi10.1086/380486en_US
dc.identifier.scopuseid_2-s2.0-1642586471en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-1642586471&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume601en_US
dc.identifier.issue1 Ien_US
dc.identifier.spage479en_US
dc.identifier.epage484en_US
dc.identifier.isiWOS:000188657600041-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridNg, CY=24830903500en_US
dc.identifier.scopusauthoridRomani, RW=35248859100en_US
dc.customcontrol.immutablejt 130807-

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