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 21
Interchange magnetic reconnection as the driver of the fast solar wind
Professor James Drake (Institute for Physical Science and Technology, University of Maryland)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS)
May 23
50 Years of Plate Tectonic - That’s all?
Ulrich A. Glasmacher (Institute of Earth Sciences, Heidelberg UNI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
May 24
Raphael Hviding (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent publications
Yarovova, Anastasiya D.; Moiseev, Alexei V. et al. (inc. Egorov, Oleg V.)
Nature of the diffuse emission sources in the H I supershell in the galaxy IC 1613
MNRAS 529, 4930(2024)

Bhardwaj, Anupam; Rejkuba, Marina et al. (inc. Samantaray, Abhinna Sundar)
Stellar Variability and Distance Indicators in the Near-infrared in Nearby Galaxies. I. RR Lyrae and Anomalous Cepheids in Draco Dwarf Spheroidal
AJ 167, 247(2024)

Prudil, Z.; Kunder, A.; Dékány, I.; Koch-Hansen, A. J.
The Galactic bulge exploration. I. The period-absolute magnitude-metallicity relations for RR Lyrae stars for GBP, V, G, GRP, I, J, H, and Ks passbands using Gaia DR3 parallaxes
A&A 684, A176(2024)