J
Jelena Kovacevic
Researcher at University of Novi Sad
Publications - 98
Citations - 1176
Jelena Kovacevic is an academic researcher from University of Novi Sad. The author has contributed to research in topics: Audio signal processing & Active galactic nucleus. The author has an hindex of 14, co-authored 87 publications receiving 1055 citations. Previous affiliations of Jelena Kovacevic include University of Novi Sad Faculty of Technical Sciences & Josip Juraj Strossmayer University of Osijek.
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ANALYSIS OF OPTICAL Fe II EMISSION IN A SAMPLE OF ACTIVE GALACTIC NUCLEUS SPECTRA
TL;DR: In this article, the strongest Fe II multiplets were grouped into three groups according to the lower term of the transition (b{sup 4} F, a{sup 6} S, and a} G terms).
Journal ArticleDOI
Analysis of optical Fe II emission in a sample of AGN spectra
TL;DR: In this article, the strongest Fe II multiplets were grouped into three groups according to the lower term of the transition (b $4$F, a $6$S and a $ 4$G terms), which correspond approximately to the blue, central, and red parts of the "iron shelf" around Hb.
Journal ArticleDOI
The flux ratio of the [O iii] λλ5007, 4959 lines in AGN: comparison with theoretical calculations
TL;DR: In this article, the authors used the active galactic nuclei (AGN) spectra to obtain an averaged flux ratio of 2.993 ± 0.014, which is in good agreement with the theoretical one.
Journal ArticleDOI
The flux ratio of the [OIII] 5007,4959 lines in AGN: Comparison with theoretical calculations
TL;DR: In this paper, the flux ratio of the [OIII] 4959,5007 emission lines for a sample of 62 AGN, obtained from the Sloan Digital Sky Survey (SDSS) Database and from published observations, was checked using AGN spectra.
Journal ArticleDOI
Spectral Optical Monitoring of the Narrow-line Seyfert 1 Galaxy Ark 564
Alla I. Shapovalova,Luka Č. Popović,A. N. Burenkov,V. H. Chavushyan,Dragana Ilic,Dragana Ilic,A. Kovacevic,A. Kovacevic,Wolfram Kollatschny,Jelena Kovacevic,N. G. Bochkarev,José R. Valdés,J. Torrealba,Jonathan León-Tavares,A. Mercado,Erika Benítez,Luis Carrasco,Deborah Dultzin,E. De la Fuente +18 more
TL;DR: In this article, the authors 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 the optical.