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 18
The riddle of binary black hole formation
Prof. Michela Mapelli (INAF Padova)
Heidelberg Joint Astronomical Colloquium
Zoom, Zoom
May 20
SDSS-V: Pioneering Panoptic Spectroscopy
Kathryn Kreckel (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1, 1.OG
May 21
Studying quasar microlensing with robotic telescopes
Robert Schmidt (ZAH/ARI)
Königstuhl Kolloquium
Via zoom link. Please contact organisers if you need the zoom information.,

Recent publications
den Brok, J. S.; Chatzigiannakis, D. et al. (inc. Kruijssen, J. M. D.)
New constraints on the 12CO(2-1)/(1-0) line ratio across nearby disc galaxies
MNRAS 504, 3221(2021)

Avery, Charlotte R.; Wuyts, Stijn et al. (inc. Bertemes, Caroline)
Incidence, scaling relations and physical conditions of ionized gas outflows in MaNGA
MNRAS 503, 5134(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)