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
Jul 10
11:00
Gaia DR4
René André, Morgan Fouesneau, Coryn Bailer-Jones (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Jul 14
16:30
The Interstellar Visitors
Colin Snodgrass (University of Edinburgh)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Jul 16
11:15
The EWOCS view of the massive stellar zoo Westerlund 1
Cormac Larkin (ARI/ESO)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG

More colloquia

Recent ZAH publications
6/2026
Verhamme, O.; Sundqvist, J. O. et al. (inc. Sander, A. A. C.; Bernini-Peron, M.)
X-shooting ULLYSES: Massive stars at low metallicity: XV. On the metallicity dependence of B-supergiant mass-loss rates
A&A 710, A166(2026)

7/2026
Merritt, JD; Stevenson, Simon et al. (inc. Sander, Andreas)
Implications of Modern Mass-loss Rates for Massive Stars
ApJ 1005, 79(2026)

6/2026
Leroy, Adam K.; Sun, Jiayi et al. (inc. Klessen, Ralf S.; Chevance, Mélanie; Glover, Simon C. O.)
Erratum: "Cloud-scale Gas Properties, Depletion Times, and Star Formation Efficiency per Freefall Time in PHANGS─ALMA" (2025, ApJ, 985, 14)
ApJ 1003, 248(2026)


More publications