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The Colloquia are held in a "hybrid mode": both in the lecture hall and online or online only (speaker's decision).
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Forthcoming seminars


Journal Club 23.03.2026

Krzysztof Nalewajko

Radiation GRMHD Models of Accretion onto Stellar-mass Black Holes. I. Survey of Eddington Ratios
Wednesday Colloquium 25.03.2026

Leda Berni

Exploring the Milky Way assembly history with Machine Learning
SPOTKANIA z ASTRONOMIĄ 30.03.2026

Paweł Moskalik

Kierunek Księżyc. Załogowe loty na Księżyc wczoraj i jutro

» Announcements

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(The announcements in Polish are of local interest only)

» Our recent papers on arXiv

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arXiv:2603.10997[pdf, html]
Universal behaviour of $α$-viscosity in black hole accretion discs
Authors:Marek A. Abramowicz, Axel Brandenburg, Jiří Horák, Debora Lančová, John C. Miller, Ewa Szuszkiewicz, Maciek Wielgus
Comments:8 pages, 3 figures, submitted to Astronomy&Astrophysics
arXiv:2603.12855[pdf, html]
Scrutinizing the 2020 multiwavelength outburst of PKS 0903-57 through observations with H.E.S.S
Authors:A. Acharyya, F. Aharonian, F. Ait Benkhali, A. Alkan, H. Ashkar, M. Backes, V. Barbosa Martins, R. Batzofin, Y. Becherini, D. Berge, K. Bernlöhr, B. Bi, M. Böttcher, C. Boisson, J. Bolmont, J. Borowska, R. Brose, A. Brown, F. Brun, B. Bruno, T. Bulik, C. Burger-Scheidlin, S. Casanova, J. Celic, M. Cerruti, S. Chandra, A. Chen, M. Chernyakova, J. O. Chibueze, O. Chibueze, B. Cornejo, G. Cotter, G. Cozzolongo, J. Damascene Mbarubucyeye, J. de Assis Scarpin, M. de Naurois, E. de Oña Wilhelmi, A. G. Delgado Giler, J. Devin, A. Djannati-Ataï, J. Djuvsland, A. Dmytriiev, V. Doroshenko, K. Egg, S. Einecke, J. -P. Ernenwein, C. Escañuela Nieves, K. Feijen, M. D. Filipovic, G. Fontaine, S. Funk, et al. (and 91 authors not shown)
Comments:23 pages, 5 figures, accepted for publication in JHEAp, corresponding authors: Baiyang Bi, Jean-Philippe Lenain, Santiago Pita, Alicja Wierzcholska, Michael Zacharias
arXiv:2603.11748[pdf, html]
Reconstruction of Cepheid Radial Velocity Curves from the shape of the V-band Light Curves
Authors:V. Hocdé, P. Moskalik, N. Nardetto, P. Kervella, B. Pilecki, R. Smolec, G. Pietrzyński, W. Gieren, G. Hajdu, A. Gallenne, M. C. Bailleul, G. Bras, P. Wielgórski, L. Breuval, A. Mérand, R. S. Rathour, F. Espinoza-Arancibia, W. Kiviaho, B. Apostolova, K. Sivkova
Comments:Accepted for publication in Astronomy and Astrophysics
arXiv:2603.11742[pdf, html]
The Inner and Outer Shock Layers of Bow Shocks in Cataclysmic Variables
Authors:Krystian Ilkiewicz, Christian Knigge, Simone Scaringi, Noel Castro Segura, Santiago del Palacio, Martina Veresvarska
Comments:11 pages, 4 figures, accepted to ApJL
arXiv:2603.11184[pdf, html]
Imprints of Reheating Dynamics on Gravitational Waves from Phase Transitions
Authors:Basabendu Barman, Maciej Kierkla, Marek Lewicki, Marco Merchand
Comments:23+10 pages, 5 figures, 4 tables
arXiv:2603.12526[pdf, html]
Spatial and spectral constraints on resolved mass-loss of the massive Post-RSG star IRAS 17163-3907 and its Fried Egg Nebula
Authors:E. Koumpia, A. Cikota, W. -J. de Wit, G. Munoz-Sanchez, T. Kim, A. Corporaal, R. D. Oudmaijer, S. Muller, J. S. Vink, L. Cerrigone, A. Zijlstra, R. Szczerba, Y. Asaki, E. Lagadec, F. Millour
Comments:Accepted for publication in A&A (27 pages including 8 pages appendix, 17 figures, 5 tables)
arXiv:2603.10870[pdf, html]
X-ray polarization in the soft state of Cyg X-1
Authors:A. Niedzwiecki, M. Szanecki, A. Veledina, A. A. Zdziarski, A. Chakraborty, J. Poutanen, P. Lubinski, A. Salganik
Comments:13 pages, submitted to A&A