Three-dimensional simulations of the jets of extragalactic radio sources

Details Three-dimensional simulations of the jets of extragalactic radio sources Three-dimensional simulations of the jets of extragalactic radio sources

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.252..558c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 252, Oct. 15, 1991, p. 558-585. Research supported by S

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Computational Astrophysics, Extragalactic Radio Sources, Radio Jets (Astronomy), Astronomical Models, Three Dimensional Models

Scientific paper

The first fully 3D simulations of the jets of extragalactic radio sources are described. Application of a steady precession to the jet leads to a variety of unsteady features in the resultant flow pattern, and gives structures which bear a striking resemblance to those observed. The simulations contain secondary hotspots which are formed in the manner of the dentist's drill model and are not properly described as splatter-spots, although material continues to flow into them after their creation. Explanations of the characteristics of multiple radio hotspots are proposed. It is found that 3D jets are more stable with respect to perturbations by an asymmetric backflow than are their counterparts in slab geometry.

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