17.04.2023 | Carlos Herdeiro, University of Aveiro, Portugal "How about (not a) black hole?" – black holes, horizonless imitators and light rings |
| 15.05.2023 | Galina Lipunova, Max-Planck-Institut für Radioastronomie (MPIFR), Bonn Intense accretion on magnetized neutron stars |
| 22.05.2023 | Felipe J. Llanes Estrada*, Univ. Complutense, Madrid and Adriana Bariego-Quintana, IFIC-Univ. Valencia The torsion of stellar streams due to a nonspherical dark matter halo |
03.07.2023 | Ruben Farinelli, INAF Bologna, Italy
Progresses and challenges on the physics of X-ray binaries with the IXPE satellite ! Seminarraum 7E02 Hörsaalzentrum Morgenstelle ! |
| 10.07.2023 | Maximilian Stadelmaier, Institute of Physics of the Czech Academy of Sciences (FZU), Prag, Czech Republic Searching for the origin of particles at the high-energy frontier |
| 17.07.2023 | Sergey Tsygankov, University of Turku, Finnland Polarized emission from X-ray pulsars as seen by the IXPE observatory |
| 24.07.2023 | Li Hancheng, University of Geneva, Switzerland Polarimetry of GRB prompt emission with POLAR and POLAR-2 |
