Journal Article

Modelling the equatorial emission in a microquasar

T. Smponias and T. S. Kosmas

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 412, issue 2, pages 1320-1330
Published in print April 2011 | ISSN: 0035-8711
Published online March 2011 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2010.17989.x
Modelling the equatorial emission in a microquasar

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The jets in a microquasar are modelled using a three-dimensional relativistic hydrocode (PLUTO), with the aim of investigating the appearance of equatorial radio emission. A dynamical mechanism is explored whereby the bow shocks of the jets strongly affect the equatorial regions. The presence of an extended disc is assumed and its role proves to be important in producing equatorial emission. As a concrete example, we focus on the SS 433 microquasar, one of the most intensively studied objects in the Galaxy, for which equatorial emission has been repeatedly detected during the last decade.

Keywords: radiation mechanisms: thermal; circumstellar matter; stars: winds, outflows; ISM: jets and outflows; ISM: supernova remnants; X-ray: binaries

Journal Article.  8348 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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