Ruprecht-Karls-Universität Heidelberg

Welcome to the Centre for Astronomy of Heidelberg University


Since July 1, Prof. Dr. Ralf Klessen (ZAH/ITA) is managing director of ZAH. He succeeds Prof. Dr. Joachim Wambsganss. As deputy director the ZAH board elected Prof. Dr. Dominika Wylezalek (ZAH/ARI). (2025/07/01)

Since July 1, 2025, Dr. Max Grönke started as Research Group Leader at ZAH. With his ERC on "Resolving the Multiscale, Multiphase Universe” he plans to connect small-scale plasma physics with the large-scale galaxy ecosystems. (2025/07/01)

The European Research Council (ERC) awarded Prof. Dr. Michela Mapelli (ZAH/ITA) an Advanced Grant of €2.5 million to study the formation of intermediate-mass black holes with 100 to 10.000 times the mass of our Sun. (2025/06/17)

Interview with Prof. Dr. Dominika Wylezalek (ZAH/ARI) on how a large-scale industrial project is threatening scientific research with telescopes operated by the European Southern Observatory. (2025/05/27)

The findings of a team of astronomers lead by Varsha Ramachandran (ZAH/ARI) reshape our understanding of this iconic cosmic duo. Both the black hole and its companion star are significantly lighter than previously thought. (2025/05/26)

A team of astronomers, including Matteo Maturi from ZAH/ITA, released a catalog of galaxy groups with an unprecedented view into the large-scale structure of the Universe. (2025/05/19)


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ASTROPHYSICS CURRICULUM
Astro & Physics Talks
Next Astro colloquia
Jul 15
16:30
From mass transfer to stripped stars
Pablo Marchant (Ghent University )
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Jul 17
11:15
On the enigmatic ‘beasts’ - giant low surface brightness galaxies
Anna Saburova (Sternberg Astronomical Institute, Lomonosov Moscow State University)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Jul 18
11:00
TBA
Pablo Marchant (Ghent University)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent ZAH publications
7/2025
Jankovič, T.; Gomboc, A. et al. (inc. Kaczmarek, Z.)
Astrometry-only detection of microlensing events with Gaia
A&A 699, A156(2025)

7/2025
Matsuno, Tadafumi; Kemp, Alex et al. (inc. Koch-Hansen, Andreas J.)
Unevolved Li-rich stars at low metallicity: A possible formation pathway through novae
A&A 699, A171(2025)

7/2025
Wang, Wuji; De Breuck, Carlos et al. (inc. Kukreti, Pranav; Wylezalek, Dominika)
Gas-poor Hosts and Gas-rich Companions of z ≈ 3.5 Radio Active Galactic Nuclei: ALMA Insights into Jet Triggering and Feedback
ApJ 987, L37(2025)