Unosi

• Spectroscopic Investigations of Extragalactic Objects at the Astronomical Observatory in Belgrade (2008 - 2009) (2012)

  L. Popović, D. Ilić, Spectroscopic Investigations of Extragalactic Objects at the Astronomical Observatory in Belgrade (2008 - 2009), Publications of the Astronomical Society "Rudjer Boskovic",, Vol. 11, pp. 285 - 303, 2012

• The analysis of the broad hydrogen Balmer line ratios: Possible implications for the physical properties of the broad line region of AGNs (2012-06)

  D. Ilić, L. Popović, G. La Mura, S. Ciroi, P. Rafanelli, The analysis of the broad hydrogen Balmer line ratios: Possible implications for the physical properties of the broad line region of AGNs, ASTRONOMY AND ASTROPHYSICS, Vol. 543, pp. 1 - 9, Jun, 2012

• Spectral Optical Monitoring of the Narrow-line Seyfert 1 Galaxy Ark 564 (2012-09)

  A. Shapovalova, L. Popović, A. Burenkov, V. Chavushyan, D. Ilić, A. Kovačević, W. Kollatschny, J. Kovačević, N. Bochkarev, J. Valdes, J. Torrealba, J. Leon-Tavares, A. Mercado, E. Benitez, L. Carrasco, D. Dultzin, E. de la Fuente, Spectral Optical Monitoring of the Narrow-line Seyfert 1 Galaxy Ark 564, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol. 202, No. 1, pp. 1 - 22, Sep, 2012

• The broad line emission from the AGN 3C 390.3: complex broad-line region and perturbation in accretion disk (2013-02)

  D. Ilić, L. Popović, A. Shapovalova, A. Burenkov, V. Chavushyan, A. Kovačević, W. Kollatschny, The broad line emission from the AGN 3C 390.3: complex broad-line region and perturbation in accretion disk, Proceedings of the International Astronomical Union, Vol. 8, No. S290, pp. 205 - 206, Feb, 2013

• Plasma conditions in different emitting regions of active galactic nuclei (2013-09)

  L. Popović, D. Ilić, Plasma conditions in different emitting regions of active galactic nuclei, aip conference proceedings, Vol. 1551, pp. 3 - 21, Sep, 2013

• Spectral optical monitoring of a double-peaked emission line AGN Arp 102B. Variability of spectral lines and continuum (2013-11)

  A. Shapovalova, L. Popović, A. Burenkov, V. Chavushyan, D. Ilić, W. Kollatschny, A. Kovačević, N. Bochkarev, J. Valdes, J. Torrealba, V. Patino-Alvarez, J. Leon-Tavares, E. Benitez, L. Carrasco, D. Dultzin, A. Mercado, V. Zhdanova, Spectral optical monitoring of a double-peaked emission line AGN Arp 102B. Variability of spectral lines and continuum, ASTRONOMY AND ASTROPHYSICS, Vol. 559, pp. 1 - 17, Nov, 2013

• Supermassive black holes and spectral emission lines (2014)

  D. Ilić, L. Popović, Supermassive black holes and spectral emission lines, Journal of physics. Conference series (Print), Vol. 548, pp. 1 - 8, 2014

• Variability in spectropolarimetric properties of Sy 1.5 galaxy Mrk 6 (2014-05)

  V. Afanasiev, L. Popović, A. Shapovalova, N. Borisov, D. Ilić, Variability in spectropolarimetric properties of Sy 1.5 galaxy Mrk 6, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Vol. 440, No. 1, pp. 519 - 529, May, 2014

• Time series analysis of active galactic nuclei: The case of Arp 102B, 3C 390.3, NGC 5548 and NGC 4051 (2014-10)

  A. Kovačević, L. Popović, A. Shapovalova, D. Ilić, A. Burenkov, V. Chavushyan, Time series analysis of active galactic nuclei: The case of Arp 102B, 3C 390.3, NGC 5548 and NGC 4051, ADVANCES IN SPACE RESEARCH, Vol. 54, No. 7, pp. 1414 - 1428, Oct, 2014

• Are Boltzmann plots of hydrogen Balmer lines a tool for identifying a subclass of S1 AGN? (2014-10)

  P. Rafanelli, S. Ciroi, F. Di Mille, D. Ilić, G. La Mura, L. Popović, Are Boltzmann plots of hydrogen Balmer lines a tool for identifying a subclass of S1 AGN?, ADVANCES IN SPACE RESEARCH, Vol. 54, No. 7, pp. 1362 - 1374, Oct, 2014

• Spectral optical monitoring of the double-peaked emission line AGN Arp 102B. II. Variability of the broad line properties (2014-12)

  L. Popović, A. Shapovalova, D. Ilić, A. Burenkov, V. Chavushyan, W. Kollatschny, A. Kovačević, J. Valdes, J. Leon-Tavares, N. Bochkarev, V. Patino-Alvarez, J. Torrealba, Spectral optical monitoring of the double-peaked emission line AGN Arp 102B. II. Variability of the broad line properties, ASTRONOMY AND ASTROPHYSICS, Vol. 572, pp. 1 - 17, Dec, 2014

• Time Delay Evolution of Five Active Galactic Nuclei (2015-12)

  L. Popović, A. Kovačević, A. Shapovalova, D. Ilić, A. Burenkov, V. Chavushyan, Time Delay Evolution of Five Active Galactic Nuclei, JOURNAL OF ASTROPHYSICS AND ASTRONOMY, Vol. 36, No. 4, pp. 475 - 493, Dec, 2015

• Line Shape Variability in a Sample of AGN with Broad Lines (2015-12)

  D. Ilić, L. Popović, A. Shapovalova, A. Burenkov, V. Chavushyan, A. Kovačević, Line Shape Variability in a Sample of AGN with Broad Lines, JOURNAL OF ASTROPHYSICS AND ASTRONOMY, Vol. 36, No. 4, pp. 433 - 445, Dec, 2015

• Time Delay Evolution of Five Active Galactic Nuclei (2015-12)

  A. Kovačević, L. Popović, A. Shapovalova, D. Ilić, A. Burenkov, V. Chavushyan, Time Delay Evolution of Five Active Galactic Nuclei, JOURNAL OF ASTROPHYSICS AND ASTRONOMY, Vol. 36, No. 4, pp. 475 - 493, Dec, 2015

• First Long-term Optical Spectral Monitoring of a Binary Black Hole Candidate E1821+643. I. Variability of Spectral Lines and Continuum (2016-02)

  A. Shapovalova, L. Popović, V. Chavushyan, A. Burenkov, D. Ilić, W. Kollatschny, A. Kovačević, J. Valdes, V. Patino-Alvarez, J. Leon-Tavares, J. Torrealba, V. Zhdanova, First Long-term Optical Spectral Monitoring of a Binary Black Hole Candidate E1821+643. I. Variability of Spectral Lines and Continuum, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Vol. 222, No. 2, pp. 1 - 18, Feb, 2016

• Virilization of the Broad Line Region in Active Galactic Nuclei—connection between shifts and widths of broad emission lines (2016-03)

  S. Jonić, J. Kovačević-Dojčinović, D. Ilić, L. Popović, Virilization of the Broad Line Region in Active Galactic Nuclei—connection between shifts and widths of broad emission lines, ASTROPHYSICS AND SPACE SCIENCE, Vol. 361, pp. 1 - 24, Mar, 2016

• Periodicity in the continua and broad line curves of a quasar E1821+643 (2017-01)

  A. Kovačević, L. Popović, A. Shapovalova, D. Ilić, Periodicity in the continua and broad line curves of a quasar E1821+643, ASTROPHYSICS AND SPACE SCIENCE, Vol. 362, No. 2, pp. 1 - 13, Jan, 2017

• Long-term optical spectral monitoring of NGC 7469 (2017-04)

  A. Shapovalova, L. Popović, V. Chavushyan, V. Afanasiev, D. Ilić, A. Kovačević, A. Burenkov, W. Kollatschny, O. Spiridonova, J. Valdes, N. Bochkarev, V. Patino-Alvarez, L. Carrasco, V. Zhdanova, Long-term optical spectral monitoring of NGC 7469, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Vol. 466, No. 4, pp. 4759 - 4775, Apr, 2017

• The intrinsic Baldwin effect in broad Balmer lines of six long-term monitored AGNs (2017-07)

  N. Rakić, G. La Mura, D. Ilić, A. I. Shapovalova, W. Kollatschny, P. Rafanelli, L. Č. Popović, The intrinsic Baldwin effect in broad Balmer lines of six long-term monitored AGNs, ASTRONOMY AND ASTROPHYSICS, Vol. 603, No. A49, pp. 1 - 12, Jul, 2017

• Long-Term Monitoring of the Broad-Line Region Properties in a Selected Sample of AGN (2017-09)

  D. Ilić, A. Shapovalova, L. Popović, V. Chavushyan, A. Burenkov, W. Kollatschny, A. Kovačević, S. Marčeta-Mandić, N. Rakić, G. La Mura, P. Rafanelli, Long-Term Monitoring of the Broad-Line Region Properties in a Selected Sample of AGN, FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, pp. 1 - 6, Sep, 2017