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Article: An extreme pulsar tail protruding from the Frying Pan supernova remnant

TitleAn extreme pulsar tail protruding from the Frying Pan supernova remnant
Authors
KeywordsIsm: Individual Objects (G315.78-0.23, G315.9-0.0)
Ism: Supernova Remnants
Pulsars: Individual (Psr J1437-5959)
Radio Continuum: Ism
Stars: Neutron
Stars: Winds, Outflows
Issue Date2012
PublisherInstitute of Physics Publishing, Inc. The Journal's web site is located at http://iopscience.iop.org/0004-637X/
Citation
Astrophysical Journal, 2012, v. 746 n. 1, article no. 105 How to Cite?
AbstractThe Frying Pan (G315.9-0.0) is a radio supernova remnant with a peculiar linear feature (G315.78-0.23) extending 10′ radially outward from the rim of the shell. We present radio imaging and polarization observations obtained from the Molonglo Observatory Synthesis Telescope and the Australia Telescope Compact Array, confirming G315.78-0.23 as a bow-shock pulsar wind nebula (PWN) powered by the young pulsar J1437-5959. This is one of the longest pulsar tails observed in radio and it has a physical extent over 20pc. We found a bow-shock standoff distance of 0.002pc, smallest among similar systems, suggesting a large pulsar velocity over 1000kms -1 and a high Mach number 200. The magnetic field geometry inferred from radio polarimetry shows a good alignment with the tail orientation, which could be a result of high flow speed. There are also hints that the postshock wind has a low magnetization and is dominated by electrons and positrons in energy. This study shows that PWNe can offer a powerful probe of their local environment, particularly for the case of a bow shock where the parent supernova shell is also detected. © 2012. The American Astronomical Society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/180503
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.authorBucciantini, Nen_US
dc.contributor.authorGaensler, BMen_US
dc.contributor.authorCamilo, Fen_US
dc.contributor.authorChatterjee, Sen_US
dc.contributor.authorBouchard, Aen_US
dc.date.accessioned2013-01-28T01:38:54Z-
dc.date.available2013-01-28T01:38:54Z-
dc.date.issued2012en_US
dc.identifier.citationAstrophysical Journal, 2012, v. 746 n. 1, article no. 105en_US
dc.identifier.issn0004-637Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/180503-
dc.description.abstractThe Frying Pan (G315.9-0.0) is a radio supernova remnant with a peculiar linear feature (G315.78-0.23) extending 10′ radially outward from the rim of the shell. We present radio imaging and polarization observations obtained from the Molonglo Observatory Synthesis Telescope and the Australia Telescope Compact Array, confirming G315.78-0.23 as a bow-shock pulsar wind nebula (PWN) powered by the young pulsar J1437-5959. This is one of the longest pulsar tails observed in radio and it has a physical extent over 20pc. We found a bow-shock standoff distance of 0.002pc, smallest among similar systems, suggesting a large pulsar velocity over 1000kms -1 and a high Mach number 200. The magnetic field geometry inferred from radio polarimetry shows a good alignment with the tail orientation, which could be a result of high flow speed. There are also hints that the postshock wind has a low magnetization and is dominated by electrons and positrons in energy. This study shows that PWNe can offer a powerful probe of their local environment, particularly for the case of a bow shock where the parent supernova shell is also detected. © 2012. The American Astronomical Society. All rights reserved.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing, Inc. The Journal's web site is located at http://iopscience.iop.org/0004-637X/en_US
dc.relation.ispartofAstrophysical Journalen_US
dc.subjectIsm: Individual Objects (G315.78-0.23, G315.9-0.0)en_US
dc.subjectIsm: Supernova Remnantsen_US
dc.subjectPulsars: Individual (Psr J1437-5959)en_US
dc.subjectRadio Continuum: Ismen_US
dc.subjectStars: Neutronen_US
dc.subjectStars: Winds, Outflowsen_US
dc.titleAn extreme pulsar tail protruding from the Frying Pan supernova remnanten_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.doi10.1088/0004-637X/746/1/105en_US
dc.identifier.scopuseid_2-s2.0-84856823024en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84856823024&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume746en_US
dc.identifier.issue1en_US
dc.identifier.isiWOS:000302861300105-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridNg, CY=24830903500en_US
dc.identifier.scopusauthoridBucciantini, N=6603160599en_US
dc.identifier.scopusauthoridGaensler, BM=34769921200en_US
dc.identifier.scopusauthoridCamilo, F=7006263946en_US
dc.identifier.scopusauthoridChatterjee, S=35500782800en_US
dc.identifier.scopusauthoridBouchard, A=7005177382en_US
dc.customcontrol.immutablejt 130808-

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