activity
19972026
most citedThe flux ratio of the [OIII] 5007,4959 lines in AGN: Comparison with theoretical calculations

133 citations · 1.2k across the 61 of their papers we have counts for

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9 papers · 1 filter

astro-ph2007★ 2 cited

Detailed Analysis of Balmer Lines in a Sloan Digital Sky Survey Sample of 90 Broad Line Active Galactic Nuclei

G. La Mura, L. Č. Popović, S. Ciroi +2

In order to contribute to the general effort aiming at the improvement of our knowledge about the physical conditions within the Broad Line Region (BLR) of Active Galactic Nuclei (…

astro-ph2007★ 4 cited

The Sigma-D Relation for Planetary Nebulae: Preliminary Analysis

D. Urosevic, B. Vukotic, B. Arbutina +1

An analysis of the relation between radio surface brightness and diameter, so-called Sigma-D relation, for planetary nebulae (PNe) is presented: i) the theoretical Sigma-D relation…

astro-ph2007

Emitting gas regions in Mrk 493: An extensive Fe II line emission region

L. C. Popovic, A. Smirnova, D. Ilic +3

We performed 3D spectroscopic observations of Mrk 493 in order to investigate the Fe II emitting region and their possible connection with the Hydrogen emitting region. We found th…

astro-ph2006★ 133 cited

The flux ratio of the [OIII] 5007,4959 lines in AGN: Comparison with theoretical calculations

M. S. Dimitrijevic, L. C. Popovic, J. Kovacevic +2

By taking into account relativistic corrections to the magnetic dipole operator, the theoretical [OIII] 5006.843/4958.511 line intensity ratio of 2.98 is obtained. In order to chec…

astro-ph2006★ 28 cited

Complex emission line region of Mrk 817

D. Ilic, L. C. Popovic, E. Bon +2

In this work we study the physical and kinematical properties of the emission line region of Seyfert 1.5 galaxy Mrk 817 using three sets of observations, among which are high-resol…

astro-ph2005

Probing the physical properties of the NGC 5548 Broad Line Region using Balmer lines

L. C. Popovic, A. I. Shapovalova, V. H. Chavushyan +4

We investigate the physical characteristics of the Broad Line Region (BLR) of NGC 5548 using the Boltzmann plot (BP) method, that we applied on the Balmer lines observed from 1996…

astro-ph2004★ 124 cited

Contribution of the Disk Emission to the Broad Emission Lines in AGNs: Two-component model

L. C. Popovic, E. Mediavilla, E. Bon +1

We present an investigation of the structure of the emission line region in a sample of 12 single-peaked Active Galactic Nuclei (AGNs). Using the high resolution H-beta and H-alpha…

astro-ph2004

H II emission line region in LEDA 212995, a small neighboring galaxy of Mrk 1040

L. C. Popovic, E. G. Mediavilla, E. Bon +2

We present here new spectroscopic observations of Mrk 1040 and LEDA 212995 (Mrk 1040 companion) obtained with the Isaac Newton Telescope (INT). The intensity ratios and widths for…

astro-ph1997

A Note on the Total Absorption Cross-section of Galaxies

M. M. Cirkovic, S. Samurovic, D. Ilic +1

In this work we shall sketch a further piece of evidence for the plausibility of hypothesis of galactic origin of Ly- forest absorption systems. Two basic premises of our discus…