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most citedSpectral Optical Monitoring of the Narrow Line Seyfert 1 galaxy Ark 564

100 citations · 572 across the 16 of their papers we have counts for

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astro-ph.CO2011★ 36 cited

Spectral optical monitoring of 3C 390.3 in 1995-2007: II. Variability of the spectral line parameters

L. C. Popovic, A. I. Shapovalova, D. Ilic +6

A study of the variability of the broad emission-line parameters of 3C390.3, an active galaxy with the double-peaked emission-line profiles, is presented. We give a detail analysis…