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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


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:2512.14786[pdf, html]
Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake: Mapping formation pathways of nuclear star clusters across galaxies
Authors:Francesca Pinna, Isabel Pérez, Anna Ferré-Mateu, Begoña García Lorenzo, Alessandra Mastrobuono Battisti, Abbas Askar, Michael Beasley, Bahar Bidaran, Ana L. Chies-Santos, Sébastien Comerón, Kristen C. Dage, Adriana de Lorenzo-Cáceres, Katja Fahrion, Jesús Falcón Barroso, Anja Feldmeier-Krause, Emma Fernández Alvar, Nils Hoyer, Rubén García Benito, Rosa M. Gonzalez Delgado, Ignacio Martín Navarro, Cristina Ramos Almeida, Patricia Sánchez Blázquez, Rubén Sánchez Janssen, Alexandre Vazdekis
Comments:White Paper submitted to "ESO Expanding Horizons: Transforming Astronomy in the 2040s"
arXiv:2512.13296[pdf, html]
HALO I: Photometric continuum reverberation mapping of Fairall 9
Authors:Amit Kumar Mandal, Francisco Pozo Nuñez, Vikram Kumar Jaiswal, Mohammad Hassan Naddaf, Bożena Czerny, Swayamtrupta Panda, Paulina Karczmarek, Grzegorz Pietrzyński, 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:2512.15636[pdf, html]
RR Lyrae stars with variable mean magnitudes
Authors:Gergely Hajdu, Johanna Jurcsik, Márcio Catelan, Grzegorz Pietrzyński, Vincent Hocdé, Igor Soszyński, Andrzej Udalski, Chung-Uk Lee, Dong-Jin Kim
Comments:Accepted for publication in Astronomy & Astrophysics. 12 pages, 7 figures, appendix 4 pages and 1 figure
arXiv:2512.16162[pdf, html]
Probing neutron star interiors and the properties of cold ultra-dense matter with the SKAO
Authors:Avishek Basu, Vanessa Graber, Marcus E. Lower, Marco Antonelli, Danai Antonopoulou, Manjari Bagchi, Prasanta Char, Paulo C. C. Freire, Brynmor Haskell, Huanchen Hu, David I. Jones, Banibrata Mukhopadhyay, Micaela Oertel, Nanda Rea, Violetta Sagun, Benjamin Shaw, Jaikhomba Singha, Benjamin W. Stappers, Tinn Thongmeearkom, Anna L. Watts, Patrick Weltevrede, The SKA Pulsar Science Working Group
Comments:25 pages, 15 figures, Published in the Open Journal of Astrophysics
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:2512.14802[pdf, html]
Dynamical binary interactions in the 2040s
Authors:Nadejda Blagorodnova, Ondřej Pejcha, Tomek Kamiński, Yongzhi Cai, Kishalay De, Nancy Elias-Rosa, Jim Fuller, Hongwei Ge, David Jones, Stephen Justham, Viraj Karambelkar, Jakub Klencki, Elena Mason, Brian Metzger, Andrea Pastorello, Andrea Reguitti Friedrich Röpke, Steven Shore, Giorgio Valerin
Comments:Submitted to the ESO Expanding Horizons Call for White Papers. 1 cover page and 3 pages of text
arXiv:2512.16562[pdf, html]
Prompt Searches for Very-High-Energy γ-Ray Counterparts to IceCube Astrophysical Neutrino Alerts
Authors:J. Abhir, A. Biland, K. Brand, T. Bretz, D. Dorner, L. Eisenberger, D. Elsaesser, P. Günther, S. Hasan, D. Hildebrand, K. Mannheim, M. Linhoff, F. Pfeifle, W. Rhode, B. Schleicher, V. Sliusar, M. Vorbrugg, R. Walter, F. Aharonian, F. Ait Benkhali, J. Aschersleben, H. Ashkar, M. Backes, V. Barbosa Martins, R. Batzofin, Y. Becherini, D. Berge, M. Böttcher, C. Boisson, J. Bolmont, J. Borowska, R. Brose, A. Brown, F. Brun, B. Bruno, S. Casanova, J. Celic, M. Cerruti, A. Chen, M. Chernyakova, J. Chibueze, O. Chibueze, B. Cornejo, G. Cotter, G. Cozzolongo, J. Damascene Mbarubucyeye, J. de Assis Scarpin, A. Delgado Giles, A. Djannati-Ataï, J. Djuvsland, A. Dmytriiev, et al. (and 784 authors not shown)
Comments:accepted for publication in ApJ
arXiv:2512.15670[pdf, html]
The Milky Way in motion: gauging stellar trajectories that shape the Galactic thin disc
Authors:M. L. L. Dantas, R. Smiljanic, R. S. de Souza, P. B. Tissera, L. Magrini
Comments:To appear in the proceedings of the Brazilian Astronomical Society
arXiv:2512.15812[pdf, html]
Milky Way disc & Bulge in situ populations: ESO white paper - Expanding horizons call
Authors:M. Bergemann, G. Kordopatis, G. Casali, S. Khoperskov, P. McMillan, L. Marques, I. Minchev, E. Poggio, M. Schultheis, C. Viscasillas Vázquez, H. -F. Wang, V. Grisoni, V. Hill, R. Smiljanic
Comments:3 pages + cover. Submitted to ESO White Papers - 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