201 citations · 2k across the 75 of their papers we have counts for
3 papers · 1 filter
Characterization of a sample of intermediate-type AGN. I. Spectroscopic properties and serendipitous discovery of new Dual AGN
Erika Benítez, Jairo Méndez-Abreu, Isaura Fuentes-Carrera +6
A sample of 10 nearby intermediate-type active galactic nuclei (AGN) drawn from the Sloan Digital Sky Survey (SDSS-DR7) is presented. The aim of this work is to provide estimations…
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…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. IX. 22 more identifications, and a glance into the far hard X-ray Universe
N. Masetti, P. Parisi, E. Jimenez-Bailon +14
(Abridged) Since its launch in October 2002, the INTEGRAL satellite has revolutionized our knowledge of the hard X-ray sky thanks to its unprecedented imaging capabilities and sour…