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 20
16:30
Again! - but faster, better, and with more physics: ML-accelerated inference of galaxy properties in deep and wide surveys of the universe
Joel Leja (Penn State University)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Oct 21
14:00
Astromix -- differentiable MHD with JAX
Leonard Storcks (IWR)
ARI Special Colloquium
ARI Weberstr., Lounge
Oct 22
11:15
A density-expanded phase-space for gas in Illustrious-TNG: revealing Jellyfish structures
Isaac Gonzalez-Carbajal (UNAM)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG

More colloquia

Recent ZAH publications
10/2026
Ginsburg, Adam; Walker, Daniel L. et al. (inc. Liang, Fu-Heng; Glover, Simon C. O.; Chevance, Mélanie; Klessen, Ralf S.)
ALMA Central Molecular Zone Exploration Survey (ACES) - II. 3 mm continuum images
MNRAS 552, ag354(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)

9/2026
Kapoor, A. U.; Smith, R. et al. (inc. Zinchenko, I. A.)
Euclid: Early Release Observations - The formation of peanutty dwarf galaxies in Perseus
A&A 714, A13(2026)


More publications