207 citations · 557 across the 12 of their papers we have counts for
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astro-ph.CO2012★ 100 cited
Spectral Optical Monitoring of the Narrow Line Seyfert 1 galaxy Ark 564
A. I. Shapovalova, L. C. Popovic, A. N. Burenkov +14
We present the results of a long-term (1999--2010) spectral optical monitoring campaign of the active galactic nucleus (AGN) Ark 564, which shows a strong Fe II line emission in th…
astro-ph.CO2012★ 2 cited
Spectral monitoring of AGNs: Preliminary results for Ark 564 and Arp 102B
A. I. Shapovalova, L. C. Popovic, D. Ilic +4
We present preliminary results of the long term spectral monitoring of two active galactic nuclei with different broad line shapes: Ark 564 and Arp 102B. Ark 564 is a bright nearby…