Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut

Address:

Astronomisches Rechen-Institut
Mönchhofstr. 12-14
69120 Heidelberg
Germany
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The Astronomisches Rechen-Institut (ARI) is part of the newly established Centre for Astronomy of Heidelberg University (Zentrum für Astronomie der Universität Heidelberg or ZAH). The other two institutes in the ZAH are the Institute for Theoretical Astrophysics (Institut für Theoretische Astrophysik or ITA) and the State Observatory Königstuhl (Landessternwarte Königstuhl or LSW).

The scientific activities at the ARI cover a broad range of research areas including cosmology, gravitational lensing, galaxy evolution, star clusters, stellar astrophysics, the interstellar medium, astrometry, satellite missions, and calendrical calculations.

The ARI is involved in various national and international scientific networks and collaborations.  The institute plays a leading role in supporting the Gaia satellite mission of the European Space Agency and participates in the ground-based spectroscopic and photometric SDSS, 4MOST, and LSST surveys.

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Next Astro colloquia
Apr 28
16:30
Strongly Interacting Multiple Planet Systems as a Rosetta Stone for Planet Formation
Trifon Trifonov (Heidelberg University (ZAH/LSW))
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Apr 30
11:15
Quick dynamical decoupling between gas and stars in galaxy centers
Robin Gopala Tress (MPIA)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
May 05
16:30
Solar models and their uncertainties: the current state and the impact for PLATO
Gaël Buldgen (University of Liege)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),

More colloquia

Recent ZAH publications
4/2026
Sabbi, E.; Meena, B. et al. (inc. Pasquali, A.; Klessen, R. S.; Grebel, E. K.; Facchini, P.)
Galaxy Ultraviolet Legacy Project: Survey Description and First Insights into NGC 4449 Recent History of Star Formation
ApJ 1000, 241(2026)

4/2026
Almada Monter, Silvia; Gronke, Max et al.
Lyman-α escape through anisotropic media
MNRAS 547, ag330(2026)

4/2026
Arellano-Córdova, K. Z.; Méndez-Delgado, J. E. et al. (inc. Kreckel, K.)
A self-consistent direct method for chemical abundances in high-z galaxies with JWST
MNRAS 547, ag380(2026)


More publications