Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut


Prof. Dr. Eva Grebel   and
Prof. Dr. Joachim Wambsganß
Tel: +49 6221 54 1801 (Secretary)
FAX: +49 6221 54 1888


Astronomisches Rechen-Institut
Mönchhofstr. 12-14
69120 Heidelberg

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, stellar dynamics, astrometry, satellite missions, and calendrical calculations.

The ARI is involved in various local, European, and worldwide scientific networks and collaborations. The ARI plays a leading role in the preparation of the Gaia satellite mission of the European Space Agency. The ARI also operates a special high-performance computer for calculating gravitational interactions.

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Jun 18
An Emerging Consensus on White Dwarf Supernovae
Dr. Robert Fisher (University of Massachusetts/Dartmouth & visiting scientist at Heidelberg Institut fuer Theoretische Studien)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS)
Jun 20
The Black Hole Gaia BH3 and its kin
Ulrich Bastian (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Jun 21
Selina Nitschai (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent publications
Hernandez, David M.; Dehnen, Walter
Multiple time-step reversible N-body integrators for close encounters in planetary systems
MNRAS 530, 3870(2024)

Gvozdenko, A.; Larsen, S. S. et al. (inc. Cabrera-Ziri, I.)
Detailed chemical composition of the globular cluster Sextans A GC-1 on the outskirts of the Local Group
A&A 685, A154(2024)

Toalá, Jesús A.; Todt, Helge; Sander, Andreas A. C.
Peering into the Wolf-Rayet phenomenon through [WO] and [WC] stars
MNRAS 531, 2422(2024)