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 20
11:00
Revealing how the Earliest Galaxies Evolved into Today's Diverse Population with Slitless Spectroscopy
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)
Mar 06
11:00
Breaking the telescope size barrier with mosaics
Tom Herbst (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

More colloquia

Recent ZAH publications
2/2026
Ashraf, Mizna; Jose, Jessy et al. (inc. Ramachandran, Varsha)
Characterizing the Low-mass Pre-main-sequence Population in the Low-metallicity Star-forming Region Dolidze 25 Using VLT-MUSE
ApJ 998, 116(2026)

2/2026
Sabhahit, Gautham N.; Vink, Jorick S.; Sander, Andreas A. C.
Hydrodynamical mass-loss rates for very massive stars: I. Investigating the wind kink
A&A 706, A97(2026)

2/2026
Hilder, Thomas; Casey, Andrew R. et al. (inc. Kreckel, Kathryn)
Unified Spectrospatial Forward Models: Spatially Continuous Maps of Weak Emission Lines in the Rosette Nebula with SDSS-V LVM
ApJ 997, 339(2026)


More publications