Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut

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, star clusters, stellar astrophysics, the interstellar medium, astrometry, satellite missions, and calendrical calculations.

The ARI is involved in various national and international scientific networks and collaborations.  The institute plays a leading role in supporting the Gaia satellite mission of the European Space Agency and participates in the ground-based spectroscopic and photometric SDSS, 4MOST, and LSST surveys.

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News
Colloquia
Oct 21
16:30
Gobblin' mode: how to form stars, planets and black holes quickly
Daniel Price (Monash University)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Oct 23
11:15
Predicting the evolution, fate and nucleosynthesis of massive stars in 1 and 3D
Raphael Hirschi (Keele University)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Oct 24
11:00
TBD
Molly Wells (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent publications
9/2025
Barrera-Ballesteros, J. K.; Sánchez, S. F. et al. (inc. Méndez Delgado, J. E.; Kreckel, K.)
Physical Properties of H ii Regions at Sub-kpc Scales Using Integral Field Spectroscopy on IC 342
RMxAA 61, b98(2025)

10/2025
Sutter, Jessica; Sandstrom, Karin et al. (inc. Klessen, Ralf S.; Egorov, Oleg)
Characterization of Two Cool Galaxy Outflow Candidates Using Mid-infrared Emission from Polycyclic Aromatic Hydrocarbons
ApJ 992, L7(2025)

9/2025
Sana, H.; Shenar, T. et al. (inc. Schösser, E. C.; Schneider, F. R. N.; Sander, A. A. C.; Ramachandran, V.; Lefever, R. R.; Josiek, J.; González-Torà, G.; Bronner, V. A.; Bernini-Peron, M.)
A high fraction of close massive binary stars at low metallicity
NatAs 9, 1337(2025)