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		| Paper: | 
		Determination of Lags Between Variations in the B, V , R, and I Bands in Active Galactic Nuclei | 
	 
	
		| Volume: | 
		360, AGN Variability from X-Rays to Radio Waves | 
	 
	
		| Page: | 
		13 | 
	 
	
		| Authors: | 
		Sergeev, S.G.; Doroshenko, V.T.; Golubinskiy, Yu.V.; Merkulova, N.I.; Sergeeva, E.A. | 
	 
	
	
		| Abstract: | 
		The lag between variations in B, V, R, and I bands for 14 active galactic nuclei has been determined. The inter-band lag scales with luminosity as Lb, where b ≈ 0.4 &8211; 0.5. Possible reasons for this lag and lag-wavelength and lag-luminosity relationships are discussed. | 
	 
	
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