3D simulations of wind-jet interaction in massive X-ray binaries
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3D simulations of wind-jet interaction in massive X-ray binaries

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3D simulations of wind-jet interaction in massive X-ray binaries

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dc.contributor.author Perucho Pla, Manuel
dc.contributor.author Bosch-Ramon, Valentí
dc.contributor.author Khangulyan, Dmitry
dc.date.accessioned 2010-06-08T10:31:39Z
dc.date.available 2010-06-08T10:31:39Z
dc.date.issued 2010
dc.identifier.uri http://hdl.handle.net/10550/12902
dc.description.abstract Context. High-mass microquasars may produce jets that will strongly interact with surrounding stellar winds on binary system spatial scales. Aims. We study the dynamics of the collision between a mildly relativistic hydrodynamical jet of supersonic nature and the wind of an OB star. Methods. We performed numerical 3D simulations of jets that cross the stellar wind with the code Ratpenat. Results. The jet head generates a strong shock in the wind, and strong recollimation shocks occur due to the initial overpressure of the jet with its environment. These shocks can accelerate particles up to TeV energies and produce gamma-rays. The recollimation shock also strengthens jet asymmetric Kelvin-Helmholtz instabilities produced in the wind/jet contact discontinuity. This can lead to jet disruption even for jet powers of several times 1036 erg s−1. Conclusions. High-mass microquasar jets likely suffer a strong recollimation shock that can be a site of particle acceleration up to very high energies, but also eventually lead to the disruption of the jet. en
dc.language.iso en en
dc.relation http://www.aanda.org/index.php?option=article&access=doi&doi=10.1051/0004-6361/201014241 en
dc.source PERUCHO, M., BOSCH-RAMON, V., KHANGULYAN, D. (2010): 3D simulations of wind-jet interaction in massive X-ray binaries, Astronomy and Astrophysics, vol.512, núm 2 en
dc.subject X-rays : binaries; ISM: jets and outflows; Stars : winds, outflows; Radiation mechanisms: non-thermal en
dc.title 3D simulations of wind-jet interaction in massive X-ray binaries en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::ASTRONOMÍA Y ASTROFÍSICA::Cosmología y cosmogonia::Fuentes de Rayos X en
dc.subject.unesco UNESCO::ASTRONOMÍA Y ASTROFÍSICA::Cosmología y cosmogonia::Estrellas en
dc.identifier.doi 10.1051/0004-6361/201014241 en
dc.description.private perucho@uv.es en

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