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
Jul 15
16:30
From mass transfer to stripped stars
Pablo Marchant (Ghent University )
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Jul 17
11:15
On the enigmatic ‘beasts’ - giant low surface brightness galaxies
Anna Saburova (Sternberg Astronomical Institute, Lomonosov Moscow State University)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Jul 18
11:00
TBA
Pablo Marchant (Ghent University)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent publications
7/2025
Gilkis, Avishai; Laplace, Eva et al. (inc. Schneider, Fabian R. N.)
The landscape of binary core-collapse supernova progenitors and the late emergence of Wolf–Rayet winds
MNRAS 540, 3094(2025)

7/2025
Wang, Wuji; De Breuck, Carlos et al. (inc. Kukreti, Pranav; Wylezalek, Dominika)
Gas-poor Hosts and Gas-rich Companions of z ≈ 3.5 Radio Active Galactic Nuclei: ALMA Insights into Jet Triggering and Feedback
ApJ 987, L37(2025)

6/2025
Holas, Alexander; Röpke, Friedrich K. et al. (inc. Moran-Fraile, Javier)
The asymmetry of white dwarf double detonations and the observed scatter around the Phillips relation
A&A 698, A269(2025)