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
Mar 13
11:00
TBD
Rolf Kuiper (Uni Duisburg)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Mar 13
11:00
Modeling accretion and ejection phenomena in star and planet formation
Rolf Kuiper (Uni Duisburg)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Mar 20
11:00
TBA
Danny Gasman (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

More colloquia

Recent ZAH publications
2/2026
Wang, Chen; Lau, Mike Y. M. et al.
Thermal-timescale accretion does not always yield critical rotation in mass gainers
A&A 707, A14(2026)

2/2026
Li, Jiadong; Rix, Hans-Walter et al. (inc. Matsuno, Tadafumi)
Variations in the Milky Way's Stellar Mass Function at [Fe/H] < −1
ApJ 998, L33(2026)

3/2026
Martínez-Hernández, I. Rafael; Méndez-Delgado, J. Eduardo et al. (inc. Sattler, Natascha; Kreckel, Kathryn)
The DESIRED temperature─metallicity relations in star-forming regions: probing the Galactic radial and azimuthal metallicity distributions
MNRAS 546, ag149(2026)


More publications