Ruprecht-Karls-Universität Heidelberg


Willkommen am Zentrum für Astronomie der Universität Heidelberg (ZAH)

LSWs optical systems design for CUBES passed final review

The Cassegrain U-Band Efficient Spectrograph (CUBES), a future instrument for ESO’s Very Large Telescope (VLT), has successfully passed its final design review. LSW is responsible for the design and development of its optical system. (2025/08/08)

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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ASTROPHYSICS CURRICULUM

Winter Term 25/26 ►►►►

Astro & Physics Talks

HePhySTO – HEidelberg PHYsics Seminar Talks Organizer ►►►►

Next Astro colloquia
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)
Sep 26
11:00		TBD
Heidi Korhonen (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

more colloquia ...

Recent ZAH publications
8/2025
Anderson, Richard I.; Hunt, Emily L.
A bird's eye view of stellar evolution through populations of variable stars in Galactic open clusters
A&A 700, L13(2025)

8/2025
Dodd, Emma; Matsuno, Tadafumi et al.
Chemical characterisation of small substructures in the local stellar halo
A&A 700, A154(2025)

8/2025
Meidt, Sharon E.; Glover, Simon C. O. et al. (u.a. Klessen, Ralf S.)
Reconciling extragalactic star formation efficiencies with theory: Insights from PHANGS
A&A 700, A123(2025)

more publications ...