Ruprecht-Karls-Universität Heidelberg


Willkommen am Zentrum für Astronomie der Universität Heidelberg (ZAH)

New ZAH Director: Ralf Klessen

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)

New ERC Research Group Leader at ZAH: Max Grönke

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)

Michela Mapelli receives ERC Advanced Grant

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)

Lichtverschmutzung: Gefahr für die Astronomie in der Atacama-Wüste

Dominika Wylezalek (ZAH/ARI) berichtet über die Bedrohung der Forschung mit Teleskopen der Europäischen Südsternwarte durch ein Industrie-Großprojekt. (2025/05/27)

Cygnus X-1: Lighter Black Hole, Richer in Heavy Elements

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)

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Tiefste JWST basierte Zählung von Galaxiengruppen veröffentlicht

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

Summer Term 2025 ►►►►

Astro & Physics Talks

HePhySTO – HEidelberg PHYsics Seminar Talks Organizer ►►►►

Next Astro colloquia
Aug 01
11:00		When is a measurement not really a measurement?
David Hogg (NYU, Flatiron CCA, MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Sep 12
11:00		TBA
Johanna Vos (TCD)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Sep 19
11:00		TBA
Laura Kreidberg (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

more colloquia ...

Recent ZAH publications
7/2025
Azhari, Ainun; Matsuno, Tadafumi et al.
Th/Eu abundance ratio of red giants in the Kepler field
A&A 699, A276(2025)

7/2025
González-Torà, G.; Sander, A. A. C. et al. (u.a. Bernini-Peron, M.; Lefever, R. R.; Josiek, J.)
Improving 1D stellar atmosphere models with insights from multidimensional simulations: II. 1D versus 3D model comparison for Wolf-Rayet stars
A&A 699, A244(2025)

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)

more publications ...