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
Oct 29
11:15
Operational Status of the Vera C. Rubin Observatory’s Legacy Survey and ARI in-kind contribution
Markus Hundertmark (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Nov 03
16:30
Decoding Galaxies & Star Formation Feedback with 100,000 Star Clusters: PHANGS-HST & JWST today, the future with HWO
Janice Lee (StSci)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Nov 04
14:00
TBD
Seok-Jun Chang (MPA)
ARI Special Colloquium
Astronomisches Rechen-Institut, Mönchhofstraße 12-14 [room in talk description], Astronomisches Rechen-Institut, Mönchhofstraße 12-14 [room in talk description]

More colloquia

Recent ZAH publications
10/2026
Teh, Jia Wei; Klessen, Ralf S.; Glover, Simon C. O.; Kreckel, Kathryn
TRINITY: A coupled model of winds, radiation, and photoionised gas in molecular clouds: I. Methods and validation
A&A 714, A226(2026)

10/2026
Telford, O. Grace; Erba, Christiana et al. (inc. Sander, Andreas A. C.)
The Treasury of Extremely Metal-poor O Stars
ApJS 286, 50(2026)

10/2026
Henneco, Jan; Basu, Utkarsh R.; Schneider, Fabian R. N.
Binary evolution at the extremes of mass-transfer efficiency: Contact, mergers, and population signatures
A&A 714, A162(2026)


More publications