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
Jan 30
11:00
Astronomy and Sustainability: addressing the environmental impacts of research for a sustainable future
Laurane Freor (Vienna)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Feb 03
16:30
eROSITA’s Legacy in Structure Formation and Evolution and Cosmology
Esra Bulbul (MPE)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Feb 05
11:15
Zooming Out, zooming In: Protocluster structures and AGN breakouts
Caroline Bertemes (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG

More colloquia

Recent ZAH publications
12/2025
Blaschke, David; Röpke, Friedrich K. et al.
Universality and variability of the heavy r-process element abundance pattern from a nonequilibrium approach
FrASS 12, 33496(2025)

1/2026
La Barbera, F.; Vazdekis, A. et al. (inc. Pasquali, A.)
Elemental abundance ratios for the bulge of M31
A&A 705, A161(2026)

1/2026
Kollmeier, Juna A.; Rix, Hans-Walter et al. (inc. Wylezalek, Dominika; Sattler, Natascha; Li, Jing; Kreckel, Kathryn; Grebel, Eva K.; Glover, Simon; Egorova, Evgeniya; Egorov, Oleg)
Sloan Digital Sky Survey. V. Pioneering Panoptic Spectroscopy
AJ 171, 52(2026)


More publications