The anisotropy of emission from hotspots in extragalactic radio sources

Details The anisotropy of emission from hotspots in extragalactic radio sources The anisotropy of emission from hotspots in extragalactic radio sources

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205..449w&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Nov. 1983, p. 449-463.

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52

Extragalactic Radio Sources, Radio Astronomy, Anisotropy, Brightness Distribution, Computational Fluid Dynamics, Relativistic Effects, Synchrotron Radiation

Scientific paper

Numerical simulations of the ends of jets in extragalactic radio sources are carried out. The synchrotron emission expected from the hotspot, formed where a beam encounters the intergalactic medium, is calculated using a number of simplifying assumptions. By considering relativistic beaming effects, the authors determine the ratio of luminosities of the approaching and receding components of a classical double radio source making different angles with the line-of-sight. They find that, for a given expansion speed, beam models have ratios of radio powers only slightly smaller than models having two plasma clouds oppositely ejected with uniform velocities from the central object.

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