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
Feb 13
11:00
Deep Mantle–Atmosphere Coupling and Carbonaceous Bombardment: Options for Biomolecule Formation on an Oxidized Early Earth
Klaus Paschek (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Feb 20
11:00
TBA
Jasleen Matharu (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Feb 27
11:00
How Gaia is revolutionising our understanding of the Milky Way
Michael Perryman (Dublin)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

More colloquia

Recent ZAH publications
1/2026
Facchini, Pietro; Grebel, Eva K. et al. (inc. Klessen, Ralf S.; Pasquali, Anna)
Isolated massive star candidates in NGC 4242 with the Galaxy UV Legacy Project
A&A 705, A168(2026)

1/2026
Kollmeier, Juna A.; Rix, Hans-Walter et al. (inc. Wylezalek, Dominika; Sattler, Natascha; Li, Jing; Kreckel, Kathryn; Grebel, Eva K.; Glover, Simon; Egorova, Evgeniya; Egorov, Oleg)
Sloan Digital Sky Survey. V. Pioneering Panoptic Spectroscopy
AJ 171, 52(2026)

1/2026
Griffiths, A. W.; Southworth, J. et al. (inc. Hundertmark, M.)
A search for transit-timing variations in the transiting hot-Jupiter systems HIP 65, NGTS-6, NGTS-10, and WASP-173
MNRAS 545, f2057(2026)


More publications