Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut

Address:

Astronomisches Rechen-Institut
Mönchhofstr. 12-14
69120 Heidelberg
Germany
Directions

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
Apr 16
11:15
Supermassive black hole seeding: from intermediate-mass black holes to Little Red Dots
Igor Chilingarian (CFA Harvard)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Apr 17
11:00
Decoding the ISM in M31 Across Wavelengths: From Dust Properties to Anomalous Microwave Emission
Sihan Jiao (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Apr 21
16:30
Stellar populations as fossil record of galaxy evolution across half of the cosmic history
Anna Gallazzi (INAF/Osservatorio di Arcetri)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),

More colloquia

Recent ZAH publications
4/2026
Kane, Sarah G.; Kaczmarek, Zofia et al.
A value-added catalogue of neural network-based europium abundances for GALAH DR4
MNRAS 547, ag209(2026)

3/2026
Wolf, Julien; Bañados, Eduardo et al. (inc. Rupke, David S. N.)
Shedding the envelope: JWST reveals a kiloparsec-scale [O III]-weak Balmer shell around a z = 7.64 quasar
A&A 707, A299(2026)

3/2026
Holas, Alexander; Agaeva, Veronica et al. (inc. Vetter, Marco; Röpke, Friedrich K.)
Localized 18O production in white dwarf mergers
EPJA 62, 50(2026)


More publications