Investigating Changing-Look Active Galactic Nuclei with Long-term Optical and X-Ray Observations

Authors: Jana, A., Ricci, C., Temple, M. J., Chang, H. -K., Shablovinskaya, E., Trakhtenbrot, B., Diaz, Y., Ilic, D., Nandi, P., Koss, M.

Source: A&A 693, A35 (2025)

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2411.08676

The extremes of AGN variability: outbursts, deep fades, changing looks, exceptional spectral states, and semi-periodicities

Authors: Komossa, S., Grupe, D., Marziani, P., Popovic, L. C., Marceta-Mandic, S., Bon, E., Ilic, D., Kovacevic, A. B., Kraus, A., Haiman, Z., Petrecca, V., De Cicco, D., Dimitrijevic, M. S., Sreckovic, V. A., Dojcinovic, J. Kovacevic, Pannikkote, M., Bon, N., Gupta, K. K., Iacob, F.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2408.00089

A systematically-selected sample of luminous, long-duration, ambiguous nuclear transients

Authors: Wiseman, P., Williams, R. D., Arcavi, I., Galbany, L., Graham, M. J., Hönig, S., Newsome, M., Subrayan, B., Sullivan, M., Wang, Y., Ilić, D., Nicholl, M., Oates, S., Petrushevska, T., Smith, K. W.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2406.11552

Optical Observations of M81 Galaxy Group in Narrow Band [SII] and H_alpha Filters: Holmberg IX

Authors: Arbutina, B., Ilić, D., Stavrev, K., Urošević, D., Vukotić, B., Onić, D.

Source: Serbian Astronomical Journal, Vol 179, Pp 87-94 (2009)

Subject Terms: ISM: supernova remnants, HII regions, Methods: observational, Techniques: photometric, Galaxies: ISM, Galaxies: individual: Holmberg IX, Astronomy, QB1-991

File Description: electronic resource

Relation: http://saj.matf.bg.ac.rs/179/pdf/087-094.pdf; https://doaj.org/toc/1450-698X

Access URL: https://doaj.org/article/4266f3db1f904ad88c8362db825a3096

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The rise and fall of the iron-strong nuclear transient PS16dtm

Authors: Petrushevska, T., Leloudas, G., Ilic, D., Bronikowski, M., Charalampopoulos, P., Jaisawal, G. K., Paraskeva, E., Pursiainen, M., Rakic, N., Schulze, S., Taggart, K., Wedderkopp, C. K., Anderson, J. P., de Boer, T., Chambers, K., Chen, T. W., Damljanovic, G., Fraser, M., Gao, H., Gomboc, A., Gromadzki, M., Ihanec, N., Maguire, K., Marcun, B., Muller-Bravo, T. E., Nicholl, M., Onori, F., Reynolds, T. M., Smartt, S. J., Sollerman, J., Smith, K. W., Wevers, T., Wyrzykowski, L.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2211.17097

The multichord stellar occultation on 2019 October 22 by the trans-Neptunian object (84922) 2003 VS$_2$

Authors: Vara-Lubiano, M., Benedetti-Rossi, G., Santos-Sanz, P., Ortiz, J. L., Sicardy, B., Popescu, M., Morales, N., Rommel, F. L., Morgado, B., Pereira, C. L., Álvarez-Candal, A., Fernández-Valenzuela, E., Souami, D., Ilic, D., Vince, O., Bachev, R., Semkov, E., Nedelcu, D. A., Şonka, A., Hudin, L., Boaca, M., Inceu, V., Curelaru, L., Gherase, R., Turcu, V., Moldovan, D., Mircea, L., Predatu, M., Teodorescu, M., Stoian, L., Juravle, A., Braga-Ribas, F., Desmars, J., Duffard, R., Lecacheux, J., Camargo, J. I. B., Assafin, M., Vieira-Martins, R., Pribulla, T., Husárik, M., Sivanič, P., Pal, A., Szakats, R., Kiss, C., Alonso-Santiago, J., Frasca, A., Szabó, G. M., Derekas, A., Szigeti, L., Drozdz, M., Ogloza, W., Skvaruc, J., Ciabattari, F., Delincak, P., Di Marcantonio, P., Iafrate, G., Coretti, I., Baldini, V., Baruffetti, P., Klös, O., Dumitrescu, V., Mikuž, H., Mohar, A.

Source: A&A 663, A121 (2022)

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2205.12878

Investigation of active galactic nuclei in time domain era

Authors: Ilic, D., Kovacevic, A., Popovic, L. C.

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2105.01515

A flare in the optical spotted in the changing-look Seyfert NGC 3516

Authors: Ilic, D., Oknyansky, V., Popovic, L. C., Tsygankov, S. S., Belinski, A. A., Tatarnikov, A. M., Dodin, A. V., Shatsky, N. I., Ikonnikova, N. P., Rakic, N., Kovacevic, A., Marceta-Mandic, S., Burlak, M. A., Mishin, E. O., Metlova, N. V., Potanin, S. A., Zheltoukhov, S. G.

Source: A&A 638, A13 (2020)

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2004.01308

Narrow lines correlations in an SDSS sample of type 1 quasars

Authors: Jankov, I., Ilić, D.

Source: Contributions of the Astronomical Observatory Skalnate Pleso, 50, 2020, 350-359

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2001.11491

Predictive modelling approach for cottonseed plug velocity applying a circuit theory analogy

Authors: Rajabnia, H., Orozovic, O., Williams, K., Lavrinec, A., Ilic, D., Jones, M., Klinzing, G.

Source: In Powder Technology 1 September 2023 427

Revealing the nature of central emission nebulae in the dwarf galaxy NGC 185

Authors: Vučetić, M. M., Ilić, D., Egorov, O. V., Moiseev, A., Onić, D., Pannuti, T. G., Arbutina, B., Petrov, N., Urošević, D.

Source: A&A 628, A87 (2019)

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1905.02468

Long-term optical spectral monitoring of a changing-look AGN NGC 3516 I: Continuum and broad-line flux variability

Authors: Shapovalova, A. I., Popovic, L. C., Afanasiev, V. L., Ilic, D., Kovacevic, A., Burenkov, A. N., Chavushyan, V. H., Marceta-Mandic, S., Spiridonova, O., Valdes, J. R., Bochkarev, N. G., Patino-Alvarez, V., Carrasco, L., Zhdanova, V. E.

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/1902.10845

Spectroscopy and spectropolarimetry of AGN: from observations to modelling

Authors: Popovic, L. C., Ilic, D., Bon, E., Bon, N., Jovanovic, P., Kovacevic, A., Kovacevic-Dojcinovic, J., Lakicevic, M., Marceta-Mandic, S., Rakic, N., Savic, Dj., Simic, S., Stalevski, M.

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/1803.09464

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An experimental investigation on plug formation using fuzzy cottonseeds

Authors: Rajabnia, H., Orozovic, O., Lavrinec, A., Ilic, D., Williams, K., Jones, M., Klinzing, G.

Source: In Powder Technology January 2022 398

Long-term optical spectral monitoring of NGC 7469

Authors: Shapovalova, Alla I., Popović, L. C., Chavushyan, V. H., Afanasiev, V. L., Ilić, D., Kovacević, A., Burenkov, A. N., Kollatschny, W., Spiridonova, O., Valdes, J. R., Bochkarev, N. G., Patino-Alvarez, V., Carrasco, L., Zhdanova, V. E.

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1701.01490

First long-term optical spectro-photometric monitoring of a binary black hole candidate E1821+643: I. Variability of spectral lines and continuum

Authors: Shapovalova, A. I., Popovic, L. C., Chavushyan, V. H., Burenkov, A. N., Ilic, D., Kollatschny, W., Kovacevic, A., Valdes, J. R., Patino-Alvarez, V., Leon-Tavares, J., Torrealba, J., Zhdanova, V. E.

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1601.03551

Line shape variability in a sample of AGN with broad lines

Authors: Ilic, D., Popovic, L. C., Shapovalova, A. I., Burenkov, A. N., Chavushyan, V. H., Kovacevic, A.

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/1510.02162

A systematically selected sample of luminous, long-duration, ambiguous nuclear transients.

Authors: Wiseman, P, Williams, R D, Arcavi, I, Galbany, L, Graham, M J, Hönig, S, Newsome, M, Subrayan, B, Sullivan, M, Wang, Y, Ilić, D, Nicholl, M, Oates, S, Petrushevska, T, Smith, K W

Source: Monthly Notices of the Royal Astronomical Society; 2/25/2025, Vol. 537 Issue 2, p2024-2045, 22p

Subject Terms: SUPERMASSIVE black holes, ACTIVE galactic nuclei, HIGH mass stars, ACTIVE galaxies, LIGHT curves