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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News
Colloquia
Nov 06
11:15
Just the Tip of the Iceberg - Using Extreme Gravitational-Wave Events to Probe the Astrophysics of Compact Object Mergers
Jakob Stegmann (MPA)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
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)

Recent publications
9/2025
Querejeta, Miguel; Meidt, Sharon E. et al. (inc. Kreckel, Kathryn; Klessen, Ralf S.)
Azimuthal offsets in spiral arms of nearby galaxies
A&A 701, A183(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)

10/2025
Henneco, J.; Schneider, F. R. N.; Laplace, E.
Contact tracing of binary stars: Pathways to stellar mergers (Corrigendum)
A&A 702, C4(2025)