Search Results - "Shapovalova, Alla I."

Oscillatory patterns in the light curves of five long-term monitored type 1 active galactic nuclei by Kovačević, Andjelka B, Pérez-Hernández, Ernesto, Popović, Luka Č, Shapovalova, Alla I, Kollatschny, Wolfram, Ilić, Dragana

Get full text

Long-Term Monitoring of the Broad-Line Region Properties in a Selected Sample of AGN by Ilić, Dragana, Shapovalova, Alla I., Popović, Luka Č., Chavushyan, Vahram, Burenkov, Alexander N., Kollatschny, Wolfram, Kovačević, Andjelka, Marčeta-Mandić, Sladjana, Rakić, Nemanja, La Mura, Giovanni, Rafanelli, Piero

“…We present the results of the long-term optical monitoring campaign of active galactic nuclei (AGN) coordinated by the Special Astrophysical Observatory of the…”
Get full text

Probing the Physical Properties of the NGC 5548 Broad Line Region Using Balmer Lines by Popović, Luka Č., Shapovalova, Alla I., Chavushyan, Vahram H., Ilić, Dragana, Burenkov, Alexandr N., Mercado, Abelardo, Bochkarev, Nikolay G.

“…We investigated the physical characteristics of the broad line region (BLR) of NGC 5548 using the Boltzmann plot (BP) method, which we applied to the Balmer…”
Get full text

Long-term optical spectral monitoring of NGC 7469 by Shapovalova, Alla I., Popović, L. Č., Chavushyan, V. H., Afanasiev, V. L., Ilić, D., Kovačević, A., Burenkov, A. N., Kollatschny, W., Spiridonova, O., Valdes, J. R., Bochkarev, N. G., Patino-Alvarez, V., Carrasco, L., Zhdanova, V. E.

Get full text

Periodicity in the continua and broad line curves of a quasar E1821+643 by Kovacevic, Andjelka, Popovic, Luka C, Shapovalova, Alla I, Ilic, Dragana

“…Here we present an in-depth analysis of the periodicity of the continua and broad emission lines of a quasar E1821+643. We applied non-parametric composite…”
Get full text

Oscillatory patterns in the light curves of 5 long-term monitored type 1 AGN by Kovacevic, Andjelka B, Perez-Hernandez, Ernesto, Popovic, Luka C, Shapovalova, Alla I, Kollatschny, Wolfram, Ilic, Dragana

“…A new combined data of 5 well known type 1 AGN are probed with a novel hybrid method in a search for oscillatory behavior. Additional analysis of artificial…”
Get full text

The intrinsic Baldwin effect in broad Balmer lines of six long-term monitored AGNs by Rakic, Nemanja, La Mura, Giovanni, Ilic, Dragana, Shapovalova, Alla I, Kollatschny, Wolfram, Rafanelli, Piero, Popovic, Luka C

“…A&A 603, A49 (2017) We investigate the intrinsic Baldwin effect (Beff) of the broad H$\alpha$ and H$\beta$ emission lines for six Type 1 active galactic nuclei…”
Get full text

On the time delay evolution of five Active Galactic Nuclei by Kovacevic, Andjelka, Popovic, Luka C, Shapovalova, Alla I, Ilic, Dragana, Burenkov, Aleksandr N, Chavushyan, Vahram H

“…Here we investigate light curves of the continuum and emission lines of five type 1 active galactic nuclei (AGN) from our monitoring campaign, to test…”
Get full text

Long-term monitoring of the broad-line region properties in a selected sample of AGN by Ilic, Dragana, Shapovalova, Alla I, Popovic, Luka C, Chavushyan, Vahram, Burenkov, Alexander N, Kollatschny, Wolfram, Kovacevic, Andjelka, Marceta-Mandic, Sladjana, Rakic, Nemanja, La Mura, Giovanni, Rafanelli, Piero

“…2017, Frontiers in Astronomy and Space Sciences, 4, 12 We present the results of the long-term optical monitoring campaign of active galactic nuclei (AGN)…”
Get full text

Long-term optical spectral monitoring of NGC 7469 by 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

“…We present the results of the long-term (20-year period, from 1996 to 2015) optical spectral monitoring of the Seyfert 1 galaxy NGC 7469. The variation in the…”
Get full text

The source of variable optical emission is localized in the jet of the radio galaxy 3C 390.3 by Arshakian, Tigran G, Lobanov, Andrei P, Chavushyan, Vahram H, Shapovalova, Alla I, Zensus, J. Anton

“…We present observational evidence for the link between variability of the radio emission of the relativistic jet and optical continuum emission in the radio…”
Get full text

Observational evidence for the link between the variable optical continuum and the jet of a radio-loud galaxy 3C 390.3 by Arshakian, Tigran G, Lobanov, Andrei P, Chavushyan, Vahram H, Shapovalova, Alla I, Zensus, J. Anton

“…The ``central engine'' of AGN is thought to be powered by accretion on a central nucleus believed to be a super-massive black hole. The localization and exact…”
Get full text