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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News
Colloquia
Nov 07
11:00
TBA
Myriam Benisty (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Nov 07
11:00
TBA
Gai? Zasowski (U. of Utah)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Nov 07
11:00
Galactic Archeology, Near and (Sort of) Far
Gaił Zasowski (U. of Utah)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent publications
10/2025
Sankar, Swetha; Zakamska, Nadia L. et al. (inc. Bertemes, Caroline; Wylezalek, Dominika)
JWST Q3D Program: Active Galactic Nucleus Photoionization and Shock Ionization in a Red Quasar at z = 0.4
ApJ 991, 227(2025)

10/2025
Pulatova, Nadiia G.; Rubtsov, Evgenii et al. (inc. Gasymov, Damir; Wylezalek, Dominika)
Optical emission line properties of eROSITA-selected SDSS-V galaxies
A&A 702, A67(2025)

10/2025
Pietschke, Yannic; Heneka, Caroline et al. (inc. Schosser, Benedikt)
Direct reconstruction of the Reionization history from 21cm 2D Power Spectra
JCAP 10, 039(2025)