Keywords
galaxies: active
galaxies: jets
methods: data analysis
galaxies: jets
methods: data analysis
How to Cite
Relativistic Beaming Effects and Structural Asymmetries in Highly Asymmetric Double Radio Sources. (2019). Revista Mexicana De Astronomía Y Astrofísica, 55(2), 151-159. https://doi.org/10.22201/ia.01851101p.2019.55.02.03
Abstract
We have studied the comparative importance of the relativistic beaming model (RBM) and the density variation model (DVM) in our understanding of asymmetries in double radio sources, using their lobe separation ratio (Q) and flux density ratio (F). Our result shows an F - Q correlation in the sense expected for the RBM but contrary to the DVM. We attributed the result for the DVM to varying beam power, as its efficiency is density profile-dependent. From the core-dominant parameter-linear size R - D relation for the RBM subsample, we found that sources in this subsample are beamed within an optimum cone angle Φc≈ 8°. We posit that relativistic beaming is largely accountable for the observed structural asymmetries in radio sources, though other effects cannot be ruled out.Similar Articles
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