RAGtime 22

from Monday, 19 October 2020 (11:00) to Friday, 23 October 2020 (16:10)


        : Sessions
    /     : Talks
        : Breaks
19 Oct 2020
20 Oct 2020
21 Oct 2020
22 Oct 2020
23 Oct 2020
AM
10:00
Modelling of Accretion Flows I (until 11:35) ()
10:00 Jet variability properties of gamma ray bursts - Mr Bestin James (Center for Theoretical Physics, Polish Academy of Sciences)   ()
10:25 Accretion induced black hole spin up revised by numerical GR MHD simulations - Agnieszka Janiuk (CTP PAS) Mrs Dominika Król (Jagiellonian University and CTP PAS)   ()
11:10 Modeling of Wind -fed accretion in HMXBs using GRMHD code - Ishika Palit (Center for theoretical physics PAS)   ()
11:35 --- Go-for-a-walk Break ---
10:45
Particle Dynamic in Strong Gravity (until 12:10) ()
10:45 Radiative Penrose process: Energy Gain by a Single Radiating Charged Particle in the Ergosphere of Rotating Black Hole - Martin Kološ   ()
11:10 Acceleration of the high energy protons in an active galactic nuclei - Mr Alexey Gunya (The P. N. Lebedev physical institute)   ()
11:35 Particle acceleration, magnetic field amplification, and gamma-ray emission in protostellar jets - Anabella Araudo (FZU - Institute of Physics of the Czech Academy of Sciences & Astronomical Institute of the Czech Academy of Sciences)   ()
12:00 Dynamics of charged and magnetized particles around cylindrical black holes immersed in external magnetic fi eld - Mrs Aleksandra Demyanova (Ulugh Beg Astronomical Institute)   ()
10:45
Alternative Theories of Gravity (until 11:35) ()
10:45 ISCO as a tool to alternate the Kerr metric with the charged stringy black hole metric. - Mr Bakhtiyor Narzilloev (Fudan university, Shanghai, China; Ulugh Beg Astronomical Institute, Tashkent, Uzbekistan)   ()
11:10 Stability of asymptotically de Sitter and anti-de Sitter black holes in 4D regularized Einstein-Gauss-Bonnet theory - Marco Cuyubamba (University of Oldenburg)   ()
11:35 Collapse of two-dimensional spin-orbit coupled Bose-Einstein condensate - Shukhrat Mardonov (Ulugh Beg Astronomical Institute)   ()
10:30
Compact Stars (until 12:05) ()
10:30 The effect of magnetic field on the structure of strange quark stars - Ms Fatemeh Kayanikhoo (CAMK)   ()
10:55 Dense nuclear matter in the cores of neutron stars - David Alvarez-Castillo (Institute of Nuclear Physics PAS)   ()
11:20 Neutron-star crusts, mountains and gravitational waves - John Miller   ()
PM
13:00
Monday Afternoon (until 13:40) ()
13:00 Conference Opening - Prof. Zdeněk Stuchlík (Silesian University in Opava, Czech Republic)   ()
13:15 Dynamical instability of polytropes in spacetimes with a cosmological constant - Camilo Posada (Silesian University in Opava)   ()
13:40 --- Do-your-own-coffee Break ---
15:00
AGNs and Supermassive Black Holes (until 16:15) ()
15:00 Acceleration capabilities of nearby supermassive black holes - Arman Tursunov (Silesian University in Opava)   ()
15:25 Missing bright red giants in the Galactic center: A fingerprint of its once active state? - Dr Michal Zajaček (Center for Theoretical Physics, Polish Academy of Sciences)   ()
15:50 Particle acceleration in the hotspot of radiogalaxy 3C 105 - Yelyzaveta Pulnova (ELI Beamlines; Institute of Theoretical Physics, Charles University)   ()
13:00 The effective potential in Newton's, Einstein's theories and beyond - Prof. Marek A. Abramowicz (CAMK, Poland, Silesian University in Opava, Czech Republic, Göteborg University, Sweden)   ()
13:45
Advanced Computational Methods in Astrophysics (until 14:35) ()
13:45 Training a Machine Learning Classifier to Predict Quasar Photometric Redshifts - Enda Farrell (Nicolaus Copernicus Astronomical Center (CAMK))   ()
14:10 Deterministic Aspect of the γ-ray Variability in Blazars - Mr Radim Panis (SLU Institute of physics)   ()
14:35 --- Do-your-own-tea Break ---
16:00
Modelling of Accretion Flows III (until 17:40) ()
16:00 From gappy to ringed: signatures of the accretion disk radial structure in profiles of the reflection line - Mr Marcel Štolc (Astronomical Institute, Czech Academy of Sciences)   ()
16:25 Magnetically Ejected Disks: Equatorial Outflows Near Vertically Magnetized Black Hole - Vladimír Karas (Astronomical Institute, Czech Academy of Sciences)   ()
16:50 Perturbation of the accretion flow onto supermassive black hole by a passing star - Petra Suková (ASU CAS)   ()
12:10 --- Stretch-your-back Break ---
13:25
Oscilations in Strong Gravity (until 14:25) ()
13:25 Oscillation modes of thick accretion disks using finite-elements calculations - Jiri Horak (Astronomical Institute ASCR, Prague)   ()
13:50 Oscillations of non-slender tori in the Hartle-Thorne geometry - Monika Matuszková   ()
14:00 X-ray timing and mass of accreting compact objects - Dr Gabriel Török (Institute of Physics, Silesian University in Opava)   ()
14:25 --- Pet-your-cat Break ---
15:15
Shapes of Black Holes (until 16:50) ()
15:15 Monitoring M87* in 2009-2017 with the EHT - Maciek Wielgus (Black Hole Initiative, Harvard University)   ()
16:00 Strong gravitational lensing around Kehagias-Sfetsos compact objects surrounded by plasma - Mr Sudipta Hensh (Institute of Physics, Silesian University in Opava)   ()
16:25 Influence of tidal force and magnetic field generated by surrounded toroidal structure onto the black hole shadow - Dmitriy Ovchinnikov (Silesian University in Opava)   ()
12:00 --- Do-the-dishes Break ---
13:30
Modelling of Accretion Flows II (until 15:30) ()
13:30 Beamed emission in accretion simulations of neutron star ULXs - David Abarca (Nicolaus Copernicus Astronomical Center)   ()
13:55 Flux ropes in SANE disks - Mr Hai Yang (Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, China) Dr Miljenko Cemeljic (NCAC, Poland & ASIAA, Taiwan) Prof. Feng Yuan (Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, China)   ()
14:20 Variability in accretion flows: Comparison of numerical simulations with observations - Dr Deepika Bollimpali (Max Planck Institute for Astrophysics)   ()
15:05 The presence of backflow in the simulated MHD disks - Ms Ruchi Mishra (Camk)   ()
15:30 --- Pet-your-dog Break ---
16:25 Conference photo   ()
16:30
Modelling of Accretion Flows IV (until 18:25) ()
16:30 Linear algebra and nonlinear diskoseismology - Jiri Horak (Astronomical Institute ASCR, Prague)   ()
17:15 Levitating atmospheres around naked singularities - Prof. Ronaldo Vieira (Federal University of ABC, Brazil)   ()
17:40 Global numerical simulations of geometrically thin accretion disks - Dr Bhupendra Mishra (LANL)   ()
12:05 Light ray as charge distinguisher of black holes in nonlinear electrodynamics - Dr Bobir Toshmatov (Ulugh Beg Astronomical Institute, Tashkent)   ()
12:30 --- Wash-your-hands Break ---
13:10
Compact Stars II (until 13:55) ()
13:10 Energetic Properties of Magnetized Neutron Stars in General Relativity - Bobomurat Ahmedov   ()
13:55 Dynamical analysis approaches in spatially curved FRW spacetimes - Morteza Kerachian (Charles University, Czech Republic)   ()
14:20 Accretion disks with radial heat advection - Michal Bursa   ()
14:45 Conference Closing - Martin Urbanec   ()