PoS - Proceedings of Science
Volume 269 - Frontier Research in Astrophysics – II (FRAPWS2016) - Jet Sources & GRBs
Hydrodynamics and Instabilities of Relativistic Astrophysical Jets in AGN
I. van der Westhuizen*, B. van Soelen, P. Meintjes and J. Beall
Full text: pdf
Pre-published on: October 09, 2017
Published on: November 15, 2017
Active galactic nuclei (AGN) show variability over both intra day and longer time scales. This characteristic has been the topic of many recent studies especially the investigation of correlation between multi-wavelength components. The variability can be investigated through numerical hydrodynamics. In this study an ideal relativistic hydrodynamic jet was simulated in order to investigate the instabilities which form in the jet as a source of variability in AGN. A synchrotron delta-approximation model was applied to the hydrodynamical environment in order to obtain an estimate of the intensity emitted at an example frequency of 15 GHz. This frequency was chosen such that the estimated intensity maps could be comparable to the MOJAVE survey. The tools used in such a hydrodynamic model can be applied to other transient sources such as X-ray binaries which have been shown to produce jet-like components.
DOI: https://doi.org/10.22323/1.269.0081
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