Ruprecht-Karls-Universität Heidelberg

Willkommen am Zentrum für Astronomie der Universität Heidelberg (ZAH)


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)

Dominika Wylezalek (ZAH/ARI) berichtet über die Bedrohung der Forschung mit Teleskopen der Europäischen Südsternwarte durch ein Industrie-Großprojekt. (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)

Ein internationales Team von Astronomen, darunter Matteo Maturi (ZAH/ITA), hat einen neuen Katalog von Galaxiengruppen veröffentlicht, der einen beispiellosen Einblick in die großräumige Struktur des Universums bietet. (2025/05/19)


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ASTROPHYSICS CURRICULUM
Astro & Physics Talks
Next Astro colloquia
Jul 22
16:30
Tracing out the darkness with cold gas: dynamically probing galaxy evolution and black holes
Timothy Davis (Cardiff University )
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Jul 24
11:15
DRAGON star cluster simulations and how to form an intermediate mass black hole
Rainer Spurzem (ARI, NAOC, Kavli-Beijing)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Jul 25
11:00
The Gaia Binary Star Revolution
Kareem El-Badry (Caltech)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent ZAH publications
7/2025
Bevacqua, Davide; Saracco, Paolo et al. (u.a. Pasquali, Anna)
TP-AGB stars and stellar population properties of a post-starburst galaxy at z ∼ 2 through optical and near-infrared spectroscopy with JWST
A&A 699, A203(2025)

7/2025
Saglia, R.; Pasquini, L. et al. (u.a. Ludwig, H. -G.)
Testing gravity with wide binaries: 3D velocities and distances of wide binaries from Gaia and HARPS
A&A 699, A151(2025)

7/2025
Zhang, Saiyang; Liu, Boyuan et al.
How do Massive Primordial Black Holes Impact the Formation of the First Stars and Galaxies?
ApJ 987, 185(2025)