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Article: PSR J0357+3205: A fast-moving pulsar with a very unusual X-ray trail

TitlePSR J0357+3205: A fast-moving pulsar with a very unusual X-ray trail
Authors
KeywordsPulsars: General
Pulsars: Individual (Psr J0357+3205)
Stars: Neutron
Issue Date2013
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2013, v. 765 n. 1 How to Cite?
AbstractThe middle-aged PSR J0357+3205 is a nearby, radio-quiet, bright γ-ray pulsar discovered by the Fermi mission. Our previous Chandra observation revealed a huge, very peculiar structure of diffuse X-ray emission originating at the pulsar position and extending for >9′ on the plane of the sky. To better understand the nature of such a nebula, we have studied the proper motion of the parent pulsar. We performed relative astrometry on Chandra images of the field spanning a time baseline of 2.2 yr, unveiling a significant angular displacement of the pulsar counterpart, corresponding to a proper motion of 0.″165 ± 0.″030 yr-1 at a position angle (P.A.) of 314° ± 8°. At a distance of 500 pc, the space velocity of the pulsar would be of 390 km s-1 assuming no inclination with respect to the plane of the sky. The direction of the pulsar proper motion is aligned very well with the main axis of the X-ray nebula (P.A. = 315.°5 ± 1.°5), pointing to a physical, yet elusive, link between the nebula and the pulsar space velocity. No optical emission in the Hα line is seen in a deep image collected at the Gemini telescope, which implies that the interstellar medium into which the pulsar is moving is fully ionized. © 2013. The American Astronomical Society. All rights reserved..
Persistent Identifierhttp://hdl.handle.net/10722/188435
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorDe Luca, Aen_US
dc.contributor.authorMignani, RPen_US
dc.contributor.authorMarelli, Men_US
dc.contributor.authorSalvetti, Den_US
dc.contributor.authorSartore, Nen_US
dc.contributor.authorBelfiore, Aen_US
dc.contributor.authorSaz Parkinson, Pen_US
dc.contributor.authorCaraveo, PAen_US
dc.contributor.authorBignami, GFen_US
dc.date.accessioned2013-09-03T04:05:59Z-
dc.date.available2013-09-03T04:05:59Z-
dc.date.issued2013en_US
dc.identifier.citationAstrophysical Journal Letters, 2013, v. 765 n. 1en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/10722/188435-
dc.description.abstractThe middle-aged PSR J0357+3205 is a nearby, radio-quiet, bright γ-ray pulsar discovered by the Fermi mission. Our previous Chandra observation revealed a huge, very peculiar structure of diffuse X-ray emission originating at the pulsar position and extending for >9′ on the plane of the sky. To better understand the nature of such a nebula, we have studied the proper motion of the parent pulsar. We performed relative astrometry on Chandra images of the field spanning a time baseline of 2.2 yr, unveiling a significant angular displacement of the pulsar counterpart, corresponding to a proper motion of 0.″165 ± 0.″030 yr-1 at a position angle (P.A.) of 314° ± 8°. At a distance of 500 pc, the space velocity of the pulsar would be of 390 km s-1 assuming no inclination with respect to the plane of the sky. The direction of the pulsar proper motion is aligned very well with the main axis of the X-ray nebula (P.A. = 315.°5 ± 1.°5), pointing to a physical, yet elusive, link between the nebula and the pulsar space velocity. No optical emission in the Hα line is seen in a deep image collected at the Gemini telescope, which implies that the interstellar medium into which the pulsar is moving is fully ionized. © 2013. 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/2041-8205en_US
dc.relation.ispartofAstrophysical Journal Lettersen_US
dc.subjectPulsars: Generalen_US
dc.subjectPulsars: Individual (Psr J0357+3205)en_US
dc.subjectStars: Neutronen_US
dc.titlePSR J0357+3205: A fast-moving pulsar with a very unusual X-ray trailen_US
dc.typeArticleen_US
dc.identifier.emailSaz Parkinson, P: pablosp@hku.hken_US
dc.identifier.authoritySaz Parkinson, P=rp01803en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1088/2041-8205/765/1/L19en_US
dc.identifier.scopuseid_2-s2.0-84874278121en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84874278121&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume765en_US
dc.identifier.issue1en_US
dc.identifier.isiWOS:000315187800019-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridDe Luca, A=13609305500en_US
dc.identifier.scopusauthoridMignani, RP=35517333300en_US
dc.identifier.scopusauthoridMarelli, M=25031722900en_US
dc.identifier.scopusauthoridSalvetti, D=15766003000en_US
dc.identifier.scopusauthoridSartore, N=24588158400en_US
dc.identifier.scopusauthoridBelfiore, A=26535417200en_US
dc.identifier.scopusauthoridSaz Parkinson, P=8948464400en_US
dc.identifier.scopusauthoridCaraveo, PA=14006843000en_US
dc.identifier.scopusauthoridBignami, GF=7005623938en_US

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