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Article: Proper motion of the Crab pulsar revisited

TitleProper motion of the Crab pulsar revisited
Authors
Ng, CYRomani, RW
KeywordsAstrometry
Pulsars: Individual (Crab)
Stars: Neutron
Issue Date2006
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0004-637X
Citation
Astrophysical Journal, 2006, v. 644 n. 1, p. 445-450 How to Cite?
DOI: http://dx.doi.org/10.1086/503315
AbstractIt has been suggested that the Crab pulsar's proper motion is aligned with the symmetry axis of the pulsar wind nebula. We have revisited this question, examining >6 years of F547M WFPC2 chip 3 images to obtain a best-fit value of μ* = 14.9 ± 0.8 mas yr -1 at P.A. 278° ± 3°.At 26° ± 3° to the nebula axis, this substantially relaxes constraints on the birth kick of this pulsar. Such misalignment allows the momentum to be imparted over ∼1 s timescales. © 2006. The American Astronomical Society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/180483
ISSN
0004-637X
2021 Impact Factor: 5.521
2020 SCImago Journal Rankings: 2.376
ISI Accession Number ID
WOS:000238339200039
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorNg, CYen_US
dc.contributor.authorRomani, RWen_US
dc.date.accessioned2013-01-28T01:38:44Z-
dc.date.available2013-01-28T01:38:44Z-
dc.date.issued2006en_US
dc.identifier.citationAstrophysical Journal, 2006, v. 644 n. 1, p. 445-450en_US
dc.identifier.issn0004-637Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/180483-
dc.description.abstractIt has been suggested that the Crab pulsar's proper motion is aligned with the symmetry axis of the pulsar wind nebula. We have revisited this question, examining >6 years of F547M WFPC2 chip 3 images to obtain a best-fit value of μ* = 14.9 ± 0.8 mas yr -1 at P.A. 278° ± 3°.At 26° ± 3° to the nebula axis, this substantially relaxes constraints on the birth kick of this pulsar. Such misalignment allows the momentum to be imparted over ∼1 s timescales. © 2006. The American Astronomical Society. All rights reserved.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.subjectAstrometryen_US
dc.subjectPulsars: Individual (Crab)en_US
dc.subjectStars: Neutronen_US
dc.titleProper motion of the Crab pulsar revisiteden_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.doi10.1086/503315en_US
dc.identifier.scopuseid_2-s2.0-33747041030en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33747041030&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume644en_US
dc.identifier.issue1en_US
dc.identifier.spage445en_US
dc.identifier.epage450en_US
dc.identifier.isiWOS:000238339200039-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridNg, CY=24830903500en_US
dc.identifier.scopusauthoridRomani, RW=35248859100en_US
dc.customcontrol.immutablejt 130807-
dc.identifier.issnl0004-637X-

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