Ruprecht-Karls-Universität Heidelberg

Welcome to the Centre for Astronomy of Heidelberg University


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)

A new study by the CARMENES project shows that very low-mass stars are likely to host Earth-like planets. On average, there are about two per star. The results have now been published in Astronomy & Astrophysics. (2025/04/28)


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ASTROPHYSICS CURRICULUM
Astro & Physics Talks
Next Astro colloquia
Jul 08
16:30
Compact star mergers, kilonovae and r-process element production
Stephen Smartt (University of Oxford )
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
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)

Recent ZAH publications
7/2025
Whitworth, D. J.; Srinivasan, S. et al. (inc. Klessen, R. S.; Girichidis, P.; Brucy, N.; Pudritz, R. E.)
On the relation between magnetic field strength and gas density in the interstellar medium: a multiscale analysis
MNRAS 540, 2762(2025)

7/2025
Ramesh, Rahul; Nelson, Dylan et al.
Zooming in on the circumgalactic medium with GIBLE: Tracing the origin and evolution of cold clouds
A&A 699, A10(2025)

8/2025
Kobus, Julia; Reißl, Stefan et al.
POLARIS: The POLArized RadIation Simulator for Mie scattering in optically thick dusty plasmas
CoPhC 313, 09645(2025)