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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 01.12.2025

Alex Markowitz

Why is the expected nova eruption in the symbiotic binary T CrB late?
Wednesday Colloquium 03.12.2025

Chandra Sekhar Saraf

Testing cosmological models with cross-correlation measurements.
SPOTKANIA z ASTRONOMIĄ 15.12.2025

Marek Abramowicz

Czy istnieją pozaziemskie cywilizacje?

» Announcements

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(The announcements in Polish are of local interest only)

» Our recent papers on arXiv

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arXiv:2511.19660[pdf, html]
Optical and cm follow-ups of the Changing-Look event in Mkn 590
Authors:Biswaraj Palit, Abhijeet Borkar, Agata Różańska, Alex Markowitz, Marzena Śniegowska, Swayamtrupta Panda, David Homan, Krystian Iłkiewicz
Comments:6 pages, 3 figures; Proceedings of X-ray Quasi-Periodic Eruptions and Repeating Nuclear Transients, 16-19 June 2025, ESAC, Madrid. Submitted to Astronomische Nachrichten
arXiv:2511.18565[pdf, html]
Optimizing the potential of KM3NeT in detecting core-collapse supernovae
Authors: KM3NeT Collaboration, O. Adriani, A. Albert, A. R. Alhebsi, S. Alshalloudi, M. Alshamsi, S. Alves Garre, F. Ameli, M. Andre, L. Aphecetche, M. Ardid, S. Ardid, J. Aublin, F. Badaracco, L. Bailly-Salins, B. Baret, A. Bariego-Quintana, Y. Becherini, M. Bendahman, F. Benfenati Gualandi, M. Benhassi, D. M. Benoit, Z. Beňušová, E. Berbee, E. Berti, V. Bertin, P. Betti, S. Biagi, M. Boettcher, D. Bonanno, M. Bondì, S. Bottai, A. B. Bouasla, J. Boumaaza, M. Bouta, M. Bouwhuis, C. Bozza, R. M. Bozza, H. Brânzaš, F. Bretaudeau, M. Breuhaus, R. Bruijn, J. Brunner, R. Bruno, E. Buis, R. Buompane, I. Burriel, J. Busto, B. Caiffi, D. Calvo, A. Capone, et al. (and 238 authors not shown)
Comments:24 pages, 11 figures
arXiv:2511.17285[pdf, html]
Covariance spectrum of MAXI J1820+070: On the nature of the Comptonizing flow
Authors:Shuai-Kang Yang, Bei You, Niek Bollemeijer, Phil Uttley, A. J. Tetarenko, Andrzej A. Zdziarski, Liang Chen, P. Casella, J. A. Paice, Yang Bai, Sai-En Xu