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
Nov 12
11:15
SDSS-V BHM: Evidence for a link between X-ray weakness and galactic-scale ionised gas outflows in quasars
Delvin Demke (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Nov 17
16:30
Cosmology and Supernovae through Cosmic Lenses
Sherry Suyu (MPA/TUM)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Nov 19
11:15
1. Kinematic signatures for fossil AGN outflows in the SDSS MaNGA sample / 2. The impact of multi-phase AGN driven outflows: A galaxy caught between starbust and quenching?
1. Theodor Brosi (ARI), 2. Matthias Kuntz (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG

More colloquia

Recent ZAH publications
10/2026
Sabhahit, Gautham N.; Vink, Jorick S.; Sander, Andreas A. C.
Hydrodynamical mass-loss rates for very massive stars: II. New theoretical mass-loss predictions at solar metallicity (Z = 0.02)
A&A 714, A316(2026)

11/2026
Lora, V.; González-Carbajal, J. I. et al. (inc. Grebel, E. K.; Pasquali, A.)
From Blue to Red Spirals: Slow Galaxy Transformation via Ram-pressure Stripping in TNG50
ApJ 1011, 224(2026)

11/2026
Dall'Agnol de Oliveira, Bruno; Wylezalek, Dominika et al. (inc. Groth, Julian T.; Bertemes, Caroline; Kukreti, Pranav)
The interplay between active galactic nucleus photoionization, radio jet, and star formation in the z ~ 3.5 radio galaxy 4C +03.24
A&A 715, A55(2026)


More publications