13th

Serbian Conference on Spectral Line Shapes in Astrophysics

August 23 - 27, 2021, Belgrade, Serbia

          

 

             

              

PROGRAMME

         

Monday, August 23, 2021

14:30 - 15:30

Registration

15:30 - 16:00

Opening ceremony


SPECTRAL LINE SHAPES FROM LABARATORY TO SPACE PLASMA

Chairman: Milan S. Dimitrijević

16:00 - 16:30

Evgeny Stambulchik - Spectral line merging in hydrogen-like species for diagnostic of laboratory and space plasmas

16:30 - 17:00

Joel Rosato- Addressing the accuracy of the computer simulation method involved in Stark broadening calculations

17:00 - 17:30

Andrea Petric - Obscured AGN at the Cosmic Noon

17:30 - 18:00

Gisella de Rosa - The AGNSTORM 2 program: A detailed view of gas flows in Mrk817

18:00 - 21:00

Welcome reception

Tuesday, August 24, 2021


SPECIAL SESSION DEDICATED TO VICTOR L. AFANASIEV: AGN Polarization

Chairman: Luka Č. Popović

9:00 - 9:30

Serguei Dodonov- Multi Object Methods for finding and study QSO's and Galaxies

9:30 - 10:00

Martin Roth - 25 years of integral field spectroscopy - from the BTA to the VLT

10:00 - 10:30

Alexei Moiseev - Observations of large-scale ionizing cones in Seyfert galaxies

10:30 - 10:50

Roman Uklein- Universal reducer for small telescopes

10:50 - 11:10

Eugene Malygin- The photometric reverberation mapping of active galaxies in SAO RAS

11:10 - 11:30

Coffee break


SPECIAL SESSION DEDICATED TO VICTOR L. AFANASIEV: AGN Polarization

Chairman: S. Dodonov

11:30 - 12:00

Luka Č. Popović- Polarization in broad emission lines of active galactic nuclei

12:00 - 12:30

Elena Shablovinskaya- New capabilities of AGN polarimetry

12:30 - 13:00

Alexander Burenkov- Monitoring of Seyfert 1 galaxies at the Special Astrophysical Observatory of the Russian Academy of Science

13:00 - 13:20

Đordje Savić- Broad emission line polarization of lensed quasars

13:20 - 13:40

Daria Kozlova- Ionized-gas clouds in the 2MASX J013130.00-062550.8 galaxy

13:40 - 14:00

Alina Ikhsanova- Gas and stars in the Teacup quasar

14:00 - 15:30

Lunch break


SPECTRAL LINE PHENOMENA IN STARS

Chairman: E. Stambulchik

15:30 - 16:00

Friedrich Kupka- Improvements to the short-characteristics method in 3D-RHDr simulations and some unsolved problems in spectral line shapes of a-type stars

16:00 - 16:30

Antonios Antoniou- A new method for calculating column densities using GR model. An application in the case of C IV, N IV and N V spectral lines in the uv spectrum of the o star HD 149757 (zeta-OPH)

16:30 - 16:50

Rihab Aloui- Stark broadening of Strontium ion Sr V spectral lines in hot white dwarf atmospheres

16:50 - 17:10

Rafik Hamdi- Stark broadening effect in hot DA white dwarfs: ultraviolet lines of Fe V

17:10 - 17:30

Coffee break


POSTER SESSION: SPECTRAL LINES IN ASTROPHYSICAL AND LABORATORY PLASMAS

Chairman: A. Kovacević

17:30 - 19:00

Poster session- 3 min presentation

Wednesday, August 25, 2021


SURVEYS AND SPECTRAL LINE VARIABILITY IN EXTRAGALACTIC OBJECTS

Chairman: D. Ilić

9:00 - 9:30

Victor Oknyansky- Changing Looks of the Nucleus of Seyfert Galaxy NGC 1566 in comparison with other CL AGNs

9:30 - 9:50

Pu Du- Density Waves of Ionized Gas in Broad-line Regions of Active Galactic Nuclei

9:50 - 10:10

Sergey Kotov- Quasars physical properties study based on the medium-band photometric survey

10:10 - 10:30

Iva Cvorovic - Hajdinjak- Deep learning of AGN spectral variability

10:30 - 10:50

Anastasia Yarovova- Modeling of the peculiar nebula in the low-metallicity galaxy NGC 4068

10:50 - 11:10

Yu Yang Songsheng- Geometric Distances of Quasars Measured by Spectroastrometry and Reverberation Mapping: Monte Carlo Simulations

11:10 - 11:40

Coffee break


SPECTRAL LINE PHENOMENA IN QUASARS

Chairman: S. Simić

11:40 - 12:10

Paola Marziani- The quasar main sequence: recent developments

12:10 - 12:40

Edi Bon- Exploring the orientation of radio-loud AGN

12:40 - 13:00

Swayamtrupta Panda- Flattening of the curve: Diagnostics of the H and optical Fe+ emission

13:00 - 13:20

Tania Buendia Rios- Statistical analysis of the AlIII?12500 line as a virial black hole mass estimator

13:20 - 13:40

Isidora Jankov- Representation and characterization of broad-line AGN spectra based on manifold learning

13:40 - 15:30

Lunch break

15:30 -

Conference excursion

Thursday, August 26, 2021


ATOMIC PARAMETERS AND SPECTRAL LINE SHAPES

Chairman: R. Stamm

9:00 - 9:30

Vladimir Sreckovic- Rydberg atoms in astrophysics: new results

9:30 - 10:00

Mohammed Koubiti- A prospective study on using machine learning from spectroscopic data for plasma parameter predictions

10:00 - 10:20

Lamia Abu El Maaty- Energy levels, oscillator strengths and transition probabilities for the Ti II ion

10:20 - 10:40

Said Douis- Statistical and dynamical properties in plasmas governed by H.G.K pseudo-potential

10:40 - 11:00

Ibtissem Hannachi- Calculating the simultaneous effect of ion dynamics and oscillating electric fields on Stark profiles

11:00 - 11:30

Coffee break


SPECTRAL LINE PHENOMENA IN EXTRAGALCTIC OBJECTS

Chairman: A. Moiseev

11:30 - 12:00

Alice Machado- Radio-loud population a quasars at high redshift

12:00 - 12:30

Elena Dalla Bonta- Black Hole masses from emission line widths

12:30 - 12:50

Miroslava Vukcevic- Spiral structure of the galactic disk and its influence on the rotational velocity curve

12:50 - 13:10

Jelena Kovacevic Dojcinovic- The line profiles in AGNs type 1.8-2: unraveling the complex kinematical properties

13:10 - 13:30

Aleksandra Grokhovskaya- Exploring the environment of active galaxies

13:30 - 15:00

Lunch break


ATOMIC PARAMETERS AND SPECTRAL LINE SHAPES

Chairman: V. Sreckovic

15:00 - 15:30

Nikolay Bezuglov- Expressions of "fast" and "slow" chameleon dressed states in autler-townes spectra of alkali-metal atoms

15:30 - 16:00

Nabil Ben Nessib- Ab initio and semi-empirical atomic structure calculations. Applications to the 5s-6p transitions for the Mo II ion

16:00 - 16:20

Joel Rosato- Modeling of collisional redistribution of line radiation by computer simulations

16:20 - 16:40

Magdalena Christova- Stark broadening of B I spectral lines

16:40 - 17:00

Zlatko Majlinger- Systematic trends among the Stark widths of Co II spectral lines

17:00 - 17:30

Coffee break


SPECTRAL LINE PHENOMENA IN EXTRAGALCTIC OBJECTS

Chairman: V. Okyansky

17:30 - 18:00

Xinyu Dai- New Quasar Microlensing Constraints on the Spin of High Redshift Quasars

18:00 - 18:20

Saloni Bhatiani - Hunting for planet-mass objects in extragalactic systems

18:20 - 18:40

Jake Mitchell - The Paschen broad line region and torus in Mrk509

18:40 - 19:00

Hora Mishra- Dramatic variability in a changing-look blazar, B2 1420+32

19:00 - 19:30

Martin Gaskell- The location and nature of the Fe II emitting region in active galactic nuclei

20:00 -

Conference dinner

Friday, August 27, 2021


SPECTRAL LINE RESEARCH: NEW FRONTIERS

Chairman: E. Lyratzi

9:30 - 10:00

Jian-Min Wang- Accretion-modified Stars in Accretion Disks of Active Galactic Nuclei

10:00 - 10:30

Đorde Spasojevic- Study of UV Ne II line shapes in the cathode sheath of an abnormal glow discharge

10:30 - 11:00

Andelka Kovacevic- Spectral variability of active galactic nuclei in the context of large time-domain surveys

11:00 - 11:30

Coffee break


SPECTRAL LINE VARIABILITY

Chairman: P. Marziani

11:30 - 11:50

Ting Feng Yi- Detection of quasi-periodic oscillations in $\gamma$-ray and optical light curves of the BL Lac 4FGL J0650.7+2503

11:50 - 12:10

Marzena Sniegowska- Modelling changing-look (CL) AGN phenomenon using accretion disk instabilities

12:10 - 12:30

Dimitrios Stathopoulos- On the variability of Lya, N V, Si IV and C IV BAL components of the BALQSO J131912.39+534720

12:30 - 12:50

Martin Ochmann- Mrk 926 reveals discrete line satellites during a drastic phase of decline

12:50 - 13:10

Daniel Kynoch- Variability of the near-infrared coronal emission lines in the active galaxy NGC 5548

13:10 - 13:30

Official closing of the conference

13:30 - 15:00

Lunch break

        

LIST OF POSTERS

Posters are listed in aplhabetical order by second name

P01:

Daniela Barrientos, Arjen van der Wel, Maarten Baes

Stellar kinematics of simulated galaxies from synthetic spectroscopic observations of optical lines using radiative transfer

P02:

Avinanda Chakraborty

The radio dichotomy in extreme objects: Stutying quasars with FWHM greater than 15000 km/s

P03:

D. Dias dos Santos, A. Rodriguez-Ardila, M. Marinello

Properties of continuum and broad line emission gas in AGNs FeII emitters

P04:

Milan S. Dimitrijevic, Magdalena D. Christova, Sylvie Sahal-Brechot

Stark broadening of Fe XXV lines for neutron star spectra research

P05:

Ivan Dojcinovic, Jelena Kovacevic-Dojcinovic, Luka C. Popovic

The flux ratio of the [N II] 6548, 6583 a lines in sample of AGNs type 2

P06:

Karla Garnica Luna, Paola Marziani, A. Negrete

Metallicity in highly accreting quasars

P07:

Martin Gaskell

Partial obscuration as a cause of asymmetries of broad Balmer line profiles in active galactic nuclei

P08:

Ljubinko M. Ignjatovic, Vladimir A. Sreckovic, Milan S. Dimitrijevic

The quasi-molecular absorption bands caused by the non-symmetric ion-atom radiative processes in alkali plasmas

P09:

Alexander Landstorfer

Resolving power of spectrographs: Impact of the spectral line spread function

P10:

Aleksandr Murmantsev, A. Veklich, M. Kleshych, S. Fesenko, V. Boretskij

Peculiarities of optical emission spectroscopy of copper-chromium-air plasma

P11:

Aleksandra Nina, G. Nico, S. T. Mitrovic, V. M. Cadež, I. R. Miloševic, M. Radovanovic, L. C. Popovic

Lya influence to ionospheric D-region: quiet ionospheric d-region (QIONDR) model

P12:

Nemanja Rakic, Dragana Ilic, L. C. Popovic

Virilization of the broad line region in the SDSS sample of type 1 AGNs

P13:

Saša Simic, Luka C. Popovic, Andelka Kovacevic, Dragana Ilic

Influence of the SMBBH to the broad line asymmetry in the case of low mass ratio systems

P14:

Vladimir A. Sreckovic, Lj. M. Ignjatovic, M. S. Dimitrijevic

The collisional atomic processes in geo-cosmical plasmas: data needed for spectroscopy

P15:

Vladimir A. Sreckovic, D. M. Šulic, V. Vujcic

Modeling the atmosphere under the influence of intense solar X-ray radiation

P16:

Jonathan Targaczewski, Dragana Ilic, Jochen Liske

Exploring the spectra of active galactic nuclei from the GAMA database

P17:

Shimeles Terefe, Ascension Del Olmo Orozco, Paola Marziani, Mirjana Povic

Dichotmy of Radio Loud (RL) and Radio Quite (RQ) Quasars In Four Dimensional Eigenvector 1 (4DE1) Parameter Space

P18:

Heechan Yuk, Xinyu Dai, T. Jayasinghe, Hora D. Mishra, Hai Fu, Christopher S. Kochanek, Benjamin J. Shappee, and K. Z. Stanek

Variability Selected Low Luminosity Active Galactic Nuclei from ASAS-SN Survey

P19:

Djamel Eddine Zenkhri, Mohammed Tayeb Meftah, Fethi Khelfaoui

Effect of ion shell structure on the spectral line broadening by electron collisions in alkali plasmas