Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut

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Astronomisches Rechen-Institut
Mönchhofstr. 12-14
69120 Heidelberg
Germany
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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
Sep 12
11:00
TBA
Johanna Vos (TCD)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Sep 19
11:00
TBA
Laura Kreidberg (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Sep 26
11:00
TBD
Heidi Korhonen (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent publications
8/2025
Lefever, R. R.; Sander, A. A. C. et al. (inc. Schösser, E. C.; González-Torà, G.; Bernini-Peron, M.)
Near-Eddington mass loss of hydrogen-rich Wolf-Rayet stars: Consequences of continuum acceleration, metallicity, and temperature
A&A 700, A2(2025)

8/2025
Congiu, E.; Scheuermann, F. et al. (inc. Klessen, R. S.; Egorov, O. V.; Kreckel, K.)
The MUSE view of the Sculptor galaxy: Survey overview and the luminosity function of planetary nebulae
A&A 700, A125(2025)

8/2025
Kim, Jaeyeon; Chevance, Mélanie et al. (inc. Glover, Simon C. O.; Egorov, Oleg V.; Klessen, Ralf S.; Kreckel, Kathryn; Ramambason, Lise)
Timescales of Polycyclic Aromatic Hydrocarbon and Dust Continuum Emission from Gas Clouds Compared to Molecular Gas Cloud Lifetimes in PHANGS-JWST Galaxies
ApJ 988, 215(2025)