Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut

Directors:

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

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, 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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News
Colloquia
Jan 09
11:15
The relation between cold molecular and hot ionized gas in the Seyfert galaxies
Bruno Dall'Agnol de Oliveira (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Jan 14
16:30
The Universe in multi-color: Astronomy at the dawn of intensity mapping and AI
Dr Caroline Heneka (Institute of Theoretical Physics, University of Heidelberg)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS)
Jan 16
11:15
A Bi-stability Jump for Wolf-Rayet stars?
Roel Lefever (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG

Recent publications
12/2024
Rickard, M. J.; Hainich, R. et al. (inc. Sander, A. A. C.; Schösser, E. C.; Ramachandran, V.)
Determining stellar properties of massive stars in NGC346 in the SMC with a Bayesian statistic technique
A&A 692, A149(2024)

12/2024
Kruszyńska, K.; Wyrzykowski, Ł. et al. (inc. Kaczmarek, Z.)
Dark lens candidates from Gaia Data Release 3
A&A 692, A28(2024)

1/2025
Watkins, E. J.; Peretto, N. et al. (inc. Kreckel, K.)
Evolutionary growth of molecular clouds as traced by their infrared bright fraction
MNRAS 536, 2805(2025)