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Article: Proper motion of the Crab pulsar revisited
Title | Proper motion of the Crab pulsar revisited |
---|---|
Authors | |
Keywords | Astrometry Pulsars: Individual (Crab) Stars: Neutron |
Issue Date | 2006 |
Publisher | Institute 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? |
Abstract | It 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 Identifier | http://hdl.handle.net/10722/180483 |
ISSN | 2023 Impact Factor: 4.8 2023 SCImago Journal Rankings: 1.905 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Ng, CY | en_US |
dc.contributor.author | Romani, RW | en_US |
dc.date.accessioned | 2013-01-28T01:38:44Z | - |
dc.date.available | 2013-01-28T01:38:44Z | - |
dc.date.issued | 2006 | en_US |
dc.identifier.citation | Astrophysical Journal, 2006, v. 644 n. 1, p. 445-450 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/180483 | - |
dc.description.abstract | It 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.language | eng | en_US |
dc.publisher | Institute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0004-637X | en_US |
dc.relation.ispartof | Astrophysical Journal | en_US |
dc.subject | Astrometry | en_US |
dc.subject | Pulsars: Individual (Crab) | en_US |
dc.subject | Stars: Neutron | en_US |
dc.title | Proper motion of the Crab pulsar revisited | en_US |
dc.type | Article | en_US |
dc.identifier.email | Ng, CY: stephen_ng@hku.hk | en_US |
dc.identifier.authority | Ng, CY=rp01706 | en_US |
dc.description.nature | link_to_OA_fulltext | en_US |
dc.identifier.doi | 10.1086/503315 | en_US |
dc.identifier.scopus | eid_2-s2.0-33747041030 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-33747041030&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 644 | en_US |
dc.identifier.issue | 1 | en_US |
dc.identifier.spage | 445 | en_US |
dc.identifier.epage | 450 | en_US |
dc.identifier.isi | WOS:000238339200039 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Ng, CY=24830903500 | en_US |
dc.identifier.scopusauthorid | Romani, RW=35248859100 | en_US |
dc.customcontrol.immutable | jt 130807 | - |
dc.identifier.issnl | 0004-637X | - |