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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May 27
Jennifer (Leigh) Wojno (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
May 27
On Modelling Complex Systems in Astronomy
Yuan-Sen Ting (ANU)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
May 31
Probing the active lives of stars with space missions
Prof. Beate Stelzer (University of Tuebingen)
Heidelberg Joint Astronomical Colloquium
Physikalisches Institut, Philosophenweg 12, Main Lecture theatre, Physikalisches Institut, Philosophenweg 12

Recent publications
Rizzuto, Francesco Paolo; Naab, Thorsten et al. (inc. Arca-Sedda, Manuel; Spurzem, Rainer)
Black hole mergers in compact star clusters and massive black hole formation beyond the mass gap
MNRAS 512, 884(2022)

Dehnen, Walter; Hands, Thomas O. et al.
Capture of interstellar objects - II. By the Solar system
MNRAS 512, 4078(2022)

Davari, N.; Capuzzo-Dolcetta, R.; Spurzem, R.
Stability of planetary systems within the S-star cluster: the Solar system analogues
MNRAS 513, 90(2022)