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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).
More...about online access

Forthcoming seminars


Special Seminar 18.12.2025

Gopal Bhatta

X-ray variability properties of blazars
Journal Club 12.01.2026

Anirudh Nemmani

TBA
SPOTKANIA z ASTRONOMIĄ 12.01.2026

Alex Markowitz

NASA's Juno mission: a legacy of new discoveries at Jupiter
Wednesday Colloquium 14.01.2026

Arthur Puls

Fresh stellar abundances of Os, Ir, and Pt, and their implications for stellar nucleosynthesis

» Announcements

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(The announcements in Polish are of local interest only)

» Our recent papers on arXiv

 archive
arXiv:2512.13151[pdf, html]
Multiband gravitational wave observations of eccentric escaping binary black holes from globular clusters
Authors:Yuetong Zhao, Abbas Askar, Youjun Lu, Zhoujian Cao, Mirek Giersz, Grzegorz Wiktorowicz, Arkadiusz Hypki, Lucas Hellstrom, Sohaib Ali, Wei-Tou Ni
Comments:19 pages, 3 tables, and 10 figures, submitted to Astrophysical Journal (ApJ)
arXiv:2512.11501[pdf, html]
Dynamical evolution of massless particles in star clusters with NBODY6++GPU-MASSLESS: II. The long-term evolution of free-floating comets
Authors:Francesco Flammini Dotti, M. B. N. Kouwenhoven, Kai Wu, Abbas Askar, Peter Berczik, Mirek Giersz, Rainer Spurzem, Ian Dobbs-Dixon
Comments:15 pages, 31 figures, accepted for publication in A&A
arXiv:2512.13828[pdf, html]
Optical Downlink Modeling for LEO and MEO Satellites under Atmospheric Turbulence with a Quantum State Tomography Use Case
Authors:Artur Czerwinski, Jakub J. Borkowski, Saeed Haddadi
arXiv:2512.13296[pdf, html]
HALO I: Photometric continuum reverberation mapping of Fairall~9
Authors:Amit Kumar Mandal, Francisco Pozo Nuñe, Vikram Kumar Jaiswal, Mohammad Hassan Naddaf, Bożena Czerny, Swayamtrupta Panda, Paulina Karczmarek, Grzegorz Pietrzy\' nski, Shivangi Pandey, B. M. Peterson, Michal Zajaček, Michal Dovčiak, Vladimir Karas, Weronika Narloch, Mirosław Kicia, Marek Górski, Mikołaj Kałuszyński, Gergely Hajdu, Piotr Wielgórski, Bartłomiej Zgirski, Cezary Gałan, Wojciech Pych, Radosław Smolec, Karolina Bąkowska, Wolfgang Gieren, Pierre Kervella
Comments:18 pages, 10 figures, 7 tables, accepted for publication in A\&A
arXiv:2512.12290[pdf, html]
X-ray properties of RR Lyrae and Cepheid variables from eROSITA
Authors:Krystian Ilkiewicz, Henryka Netzel
Comments:7 pages, 5 figures; accepted for publication in A&A
arXiv:2512.13802[pdf, html]
How Mass Flows Through Accretion Discs: A Spectral-Timing Vision for the 2040s
Authors:Simone Scaringi, Domitilla de Martino, Anna F. Pala, Andrea Sanna, Paul Groot, Kieran O'Brien, Alessandro Ederoclite, Noel Castro Segura, Deanne L. Coppejans, Krystian Ilkiewicz, Piergiorgio Casella, David Buckley, Thomas Kupfer, Nanda Rea, Meryem Kubra DAG, Yusuke Tampo, Siqi Zhang, Sian Ford, Martina Veresvarska, Graham Wynn
Comments:White paper in response to ESO's "Expanding Horizons" call
arXiv:2512.12879[pdf, html]
Super-Eddington Accretion Geometry: a Remarkable Stability of the Hidden Ultraluminous X-Ray Source Cygnus X-3
Authors:Romana Mikušincová, Alexandra Veledina, Fabio Muleri, Raul Ciancarella, Andrzej Zdziarski, David A. Green, Michael McCollough, Henric Krawczynski, James F. Steiner, Michal Dovčiak, Varpu Ahlberg, Stefano Bianchi, Alessandro Di Marco, Javier A. García, Adam Ingram, Philip Kaaret, Timothy Kallman, Hu Kun, Fabio La Monaca, Alexander Lange, Vladislav Loktev, Guglielmo Mastroserio, Giorgio Matt, Razieh Emami, Pierre-Olivier Petrucci, Jakub Podgorný, Juri Poutanen, Ajay Ratheesh, Nicole Rodriguez, Jiří Svoboda, Francesco Tombesi, Francesco Ursini, Iván Agudo, Lucio A. Antonelli, Matteo Bachetti, Luca Baldini, Wayne H. Baumgartner, Ronaldo Bellazzini, Stephen D. Bongiorno, Raffaella Bonino, Alessandro Brez, Niccolò Bucciantini, Fiamma Capitanio, Simone Castellano, Elisabetta Cavazzuti, Chien-Ting Chen, Stefano Ciprini, Enrico Costa, Alessandra De Rosa, Ettore Del Monte, Laura Di Gesu, et al. (and 65 authors not shown)
Comments:11 pages, 7 figures, 1 table, submitted to ApJ