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Extragalactic Radio Sources
Recently we focussed our attention on a sample of Compact Steep-spectrum Sources (CSSs) selected because of the large bent radio jets seen in the inner region of emission. The largest distortions are often seen in sources dominated by jets, and there are suggestions that this might to some extent be due to projection effects. However, superluminal motion is rare in CSSs. The only case we know of so far is 3C147 (Alef at al. 1990) with a mildly superluminal speed of ~ 1.3v/c. Moreover, the coredoi:10.1007/978-94-009-0295-4_27 fatcat:pooaffp6ovftbffup62im2do6i