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 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
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),

More colloquia

Recent ZAH publications
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
Bertemes, C.; Wylezalek, D. et al. (inc. Gatto, L.; Rupke, D. S. N.)
A cosmic collision in the making: JWST/NIRISS reveals a merging and maturing protocluster core at z ~ 3 around a red quasar
A&A 714, A239(2026)

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)


More publications