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Modelling the interaction between relativistic and non-relativistic winds in binary pulsar systems: strong magnetization of the pulsar wind

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dc.contributor.authorBogovalov, S. V.
dc.contributor.authorKhangulyan, D.
dc.contributor.authorKoldoba, A.
dc.contributor.authorUstyugova, G. V.
dc.contributor.authorAharonian, F.
dc.contributor.authorБоговалов, Сергей Владимирович
dc.date.accessioned2024-11-21T16:44:49Z
dc.date.available2024-11-21T16:44:49Z
dc.date.issued2019
dc.description.abstractWe present a numerical study of the properties of the flow produced by the collision of a magnetized anisotropic pulsar wind with the circumbinary environment. We focus on studying the impact of the high wind magnetization on the geometrical structure of the shocked flow. This work is an extension of our earlier studies that focused on a purely hydrodynamic interaction and weak wind magnetization. We consider the collision in the axisymmetric approximation, i.e. the pulsar rotation axis is assumed to be oriented along the line between the pulsar and the optical star. The increase of the magnetization results in the expansion of the opening cone in which the shocked pulsar wind propagates. This effect is explained in the frameworks of the conventional theory of collimation of magnetized winds. This finding has a direct implication for scenarios that involve Doppler boosting as the primary mechanism behind the GeV flares detected with the Fermi Large Area Telescope from PSR B1259-63/LS 2883. The maximum enhancement of the apparent emission is determined by the ratio of 4 pi to the solid in which the shocked pulsar wind propagates. Our simulations suggest that this enhancement factor is decreased by the impact of the magnetic field.
dc.format.extentС. 3601-3607
dc.identifier.citationModelling the interaction between relativistic and non-relativistic winds in binary pulsar systems: strong magnetization of the pulsar wind / Bogovalov, SV [et al.] // Monthly Notices of the Royal Astronomical Society. - 2019. - 490. - № 3. - P. 3601-3607. - 10.1093/mnras/stz2815
dc.identifier.doi10.1093/mnras/stz2815
dc.identifier.urihttps://www.doi.org/10.1093/mnras/stz2815
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85079691494&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000503993100039
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19207
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society
dc.titleModelling the interaction between relativistic and non-relativistic winds in binary pulsar systems: strong magnetization of the pulsar wind
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume490
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relation.isAuthorOfPublication.latestForDiscoveryb5647c08-1c95-41de-aa3e-17f40e1a6617
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