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 11
Tracing AGN feedback signatures from small to large scales across cosmic time
Dr. Dominika Wylezalek (ZAH, University of Heidelberg)
Heidelberg Joint Astronomical Colloquium
Zoom, Zoom
May 14
Knitting Together a New 3D View of our Milky Way Galaxy
Catherine Zucker (CfA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
May 18
The riddle of binary black hole formation
Prof. Michela Mapelli (INAF Padova)
Heidelberg Joint Astronomical Colloquium
Zoom, Zoom

Recent publications
Lindegren, L.; Bastian, U. et al. (inc. Biermann, M.)
Gaia Early Data Release 3. Parallax bias versus magnitude, colour, and position
A&A 649, A4(2021)

Torra, F.; Castañeda, J. et al. (inc. Biermann, M.; Bastian, U.)
Gaia Early Data Release 3. Building the Gaia DR3 source list - Cross-match of Gaia observations
A&A 649, A10(2021)

Gaia Collaboration; Smart, R. L. et al. (inc. Sagristà Sellés, A.; Juaristi Campillo, J.; del Peloso, E. F.; Balog, Z.; Löffler, W.; Jordan, S.; Altmann, M.; Gracia-Abril, G.; Bastian, U.; Biermann, M.)
Gaia Early Data Release 3. The Gaia Catalogue of Nearby Stars
A&A 649, A6(2021)