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		| Paper: | 
		Polarimetry of Powerful Radio Galaxies from z=0 to z=4 | 
	 
	
		| Volume: | 
		343, Astronomical Polarimetry: Current Status and Future Directions | 
	 
	
		| Page: | 
		457 | 
	 
	
		| Authors: | 
		Tadhunter, C. | 
	 
	
	
		| Abstract: | 
		The advent of sensitive polarimeters on large telescopes has led to a revolution in our understanding of active galaxies over the last 20 years. In the case of powerful radio galaxies the deep polarimetric measurements made possible by the new technology have: (a) provided the most direct evidence to support the unified schemes for powerful radio galaxies; (b) enhanced our understanding of the colours and morphologies of radio source host galaxies at all redshifts; and (c) provided key information about the kinematics and geometries of the scattering regions on a sub-kpc scale. | 
	 
	
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