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Kiloparsec Jet Speeds in Classical Double Radio Sources
2001
Symposium - International astronomical union
On the basis of an intrinsically symmetric relativistic jet model, analytical equations between the mean jet speed and the mean jet flux asymmetry, and between their variances are derived in the context of an orientation-based unification scheme. The mean jet speeds of classical double radio sources are estimated on kiloparsec scales by using the asymmetry of jet-counterjet flux densities taken from the 3CRR and B2 samples. For FRI radio sources the mean jet speed is ∼ (0.54 ± 0.03)c, while for
doi:10.1017/s0074180900220810
fatcat:yzq74ewqcrb6fos3eydne4bpee