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All contributions should be of the order of 12 minutes followed by 3 minutes allowing for some questions and discussion. The schedule is given in blocks of one hour. Cold drinks and food can be consumed during the talks. The microphones should be muted during the talks. There is a 15 min (or 5 min) break after each two hour block.

First Day 21. September 2020


  •  Chair: Shayoni Panja


Andreas Eckart (Cologne) and Vladimir Karas (Prague)
Nature and purpose of the meeting
Andreas Eckart (Cologne, Germany)
Celebrating the Milky Way
A Simultaneous Centennial and Millennium

The SgrA* SMBH environment

Michal Bursa (Prague, Czech Republic)
Accretion disks with horizontal heat advection
Kris Schroven (Prague, Czech Republic)
The ISCO of charged particles in Kerr-Newman spacetime
Vladimir Karas (Prague, Czech Republic)
Escape zones of charged particles near magnetized black hole


Arman Tursunov (Opawa, Czech Republic)
On the rotational energy extraction from (supermassive) black holes
Maciek Wielgus (Boston, USA)
Monitoring M87 in 2009-2017 with the Event Horizon Telescope
Hope Boyce (Montreal, Canada)
Simultaneous IR and X-ray Observations of Sgr A* Variability
Matthias Subroweit (Cologne)
Synchrotron Self-Compton Scattering in Sgr A*

15 min break


  •  Chair: Persis Misquitta

Gunther Witzel (Bonn, Germany)
All inclusive model of SgrA*
Munawwar Khanduwala (Cologne, Germany)
Flare emission from SgrA*
Shayoni Panja (Cologne, Germany)
Sub-mm variability of SgrA*


Petra Sukova (Prague, Czech Republic)
How does the passing star perturb the accretion flow?
Silke Britzen (Bonn, Germany)
The lightest particles and the heaviest black holes: How neutrinos are produced in AGN
Antonios Manousakis (Sharjah, UAE)
Stellar Wind Accretion in High Mass X-ray Binaries
Daria Paul (Cologne, Germany)
Getting started and how was it in the far north?
Rainer Schödel (Granada, Spain)
The nuclear star cluster: Old, metal-rich and cuspy

15 min break


  • Chair: Lauritz Thomkins

The Extragalactic Touch

Francoise Combes (Paris, France)
Decoupled circum-nuclear disks in nearby Seyferts with ALMA
Persis Misquitta (Cologne, Germany)
Colliding galaxies: Key examples
Bozena Czerny (Warsaw, Poland)
Broad Emission Lines in active galaxies - old problem, new results
Madeleine Yttergren (Cologne, Germany)
Evolutionary group dynamics in Stephan's Quintet

End of first day. Further cold drinks and food can be consumed - now with microphones unmuted allowing for fruitful discussions and comments on the first day. Open end.



Second Day 22. September 2020


  •  Chair: Elaheh Hosseini

The Extragalactic Touch - continued

Mark Schnitzler (Cologne, Germany)
Diagnostic SMBH relations
Lukas Steiniger (Cologne, Germany)
Tracing SMBH masses
Iffat Ilyas (Cologne/Bonn, Germany)
Massive  BH Formation and BH Mergers from Massive Binary Evolution
Yasir Ezzuldeen Rashed (Baghdad, Irak) [with Salwa Hitham]
The correlation between SMBH and SFR for a sample of Seyferts


Benita Dünnebier (Cologne, Germany)
Getting started merger tree models

The S-cluster

Basel Ali (Cologne, Germany)
Kinematics of the S-cluster
Anna Luka Höfling (Cologne, Germany)
Animating orbital motion in the S-cluster
Lauritz Thomkins (Cologne, Germany)
Challenges in identifying stellar orbits in the Galactic Center


  • Chair: Florian Peissker

Ken Cheung (Cologne, Germany)
More S-cluster orbits

Highlights in Instrumentation

Steffen Rost (Cologne, Germany)
SgrA* and the state of JWST
Matthew Horrobin (Cologne, Germany)
News from GRAVITY in the GC
Christian Straubmeier (Cologne, Germany)

15 min break


Sources in the central stellar cluster

Florian Peissker (Cologne, Germany)
Dusty bow-shock sources
Elaheh Hosseini (Cologne, Germany)
The S2 bow-shock and beyond
Richard Novak (Cologne, Germany)
Getting started with dusty sources


  • Chair: Basel Ali

Michal Zajaček (Warsaw, Poland)
Disappearance of bright red giants in the Galactic center during its active phases
Banafsheh Shahzamanian (Granada, Spain)
Large-scale proper motion study of the Galactic Centre
Harshitha Bhat (Cologne, Germany)
Proper Motions from MIR imaging

5 min break


Nadeen Sabha (Innsbruck, Austria)
VLT/VISIR Mapping of the Galactic Centre Massive Clusters
Jihane Moultaka (Toulouse, France)
MIR Spectra from GC Sources
Anas Salman Taha (Baghdad, Irak)
Using High Angular Resolution to Detect Debris Disk
Andreas Eckart and Vladimir Karas
Summary and Closing Words

End of second day. Further cold drinks and food can be consumed in large quantities - again with microphones unmuted allowing for fruitful discussions and comments on the second day and the entire conference. Open end.