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 07
16:30
The origin of interstellar dust: from local supernovae to the high-redshift Universe
Professor Ilse De Looze (University of Ghent)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS)
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)

Recent publications
11/2024
Maskoliūnas, M.; Wyrzykowski, Ł. et al. (inc. Wambsganss, J.; Tsapras, Y.; Hundertmark, M.; Heidt, J.; Kaczmarek, Z.)
Lens Mass Estimate in the Galactic Disk Extreme Parallax Microlensing Event Gaia19dke
AcA 74, 77(2024)

12/2024
Deshmukh, K.; Sana, H. et al. (inc. Sander, A. A. C.; Lefever, R. R.)
Investigating 39 Galactic Wolf-Rayet stars with VLTI/GRAVITY: Uncovering a long-period binary desert
A&A 692, A109(2024)

12/2024
Parmentier, Geneviève
Cracking the Relation between Mass and 1P-star Fraction of Globular Clusters. II. The Masses in 1P and 2P Stars as a Second Tool
ApJ 976, 191(2024)