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 Dominika Wylezalek (ZAH/ARI). (2025/07/01)

The European Research Council (ERC) awarded 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)

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)

A groundbreaking study has mapped the full range of turbulent energy across scales in a simulation of the ISM with unprecedented numerical resolution. Ralf Klessen (ZAH/ITA) is one of the main contributors. (2025/05/13)


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ASTROPHYSICS CURRICULUM
Astro & Physics Talks
Next Astro colloquia
Jul 10
11:15
From Debris Disks to Million-Body Clusters: Planetary Perturbations, Stellar Interactions, and DRAGON-III's First Insights
Kai Wu (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Jul 11
11:00
Observational constraints on massive black holes in the first billion years
Hannah Übler (MPE)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Jul 15
16:30
From mass transfer to stripped stars
Pablo Marchant (Ghent University )
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),

Recent ZAH publications
6/2025
Kimmig, Carolin N.; Villenave, Marion
Asymmetric signatures of warps in edge-on disks
A&A 698, A146(2025)

6/2025
Romanelli, Andrea; Chevance, Mélanie et al. (inc. Mendez-Delgado, José Eduardo; Glover, Simon C. O.; Ramambason, Lise)
The impact of spiral arms on the star formation life cycle
A&A 698, A296(2025)

6/2025
Gallego, Sofia G.; Mei, Simona et al. (inc. Wylezalek, Dominika)
Coevolution of halo and quasar properties in dense environments: CARLA J1017+6116 at z = 2.8
A&A 698, A243(2025)