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 27
16:30
WST - The Wide Field Spectroscopic Telescope
Roland Bacon (Observatoire de Lyon )
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
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),

More colloquia

Recent ZAH publications
10/2026
Jacob, Arshia M.; Menten, Karl M. et al. (inc. Kabanovic, Slawa)
First detection of C2H+ in the interstellar medium
A&A 714, A137(2026)

10/2026
Longmore, Steven N.; Bally, John et al. (inc. Liang, Fu-Heng; Klessen, Ralf S.; Glover, Simon C. O.; Girichidis, Philipp; Chevance, Mélanie)
ALMA Central Molecular Zone Exploration Survey (ACES) - I. Overview
MNRAS 552, ag377(2026)

10/2026
Lu, Xing; Walker, Daniel L. et al. (inc. Klessen, Ralf S.; Chevance, Mélanie; Liang, Fu-Heng)
ALMA Central Molecular Zone Exploration Survey (ACES) - IV. Data of the two intermediate-width spectral windows
MNRAS 552, ag255(2026)


More publications