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 05
11:15
Zooming Out, zooming In: Protocluster structures and AGN breakouts
Caroline Bertemes (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Feb 06
11:00
TBA
Isabella Prandoni (IRA/INAF)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Feb 06
11:00
Investigating Galaxy/AGN co-Evolution in the SKA Era
Isabella Prandoni (IRA/INAF)
Königstuhl Kolloquium
MPIA lecture hall,

More colloquia

Recent ZAH publications
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)

1/2026
Pylypenko, U.; Wyrzykowski, Ł. et al. (inc. Wambsganss, J.; Hundertmark, M.; Tsapras, Y.; Kaczmarek, Z.)
Constraining lens masses in moderately to highly magnified microlensing events from Gaia
A&A 705, A24(2026)

1/2026
La Barbera, F.; Vazdekis, A. et al. (inc. Pasquali, A.)
Elemental abundance ratios for the bulge of M31
A&A 705, A161(2026)


More publications