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
Jun 13
11:00
TBD
Maria Claudia Ramirez-Tannus (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Jun 13
11:00
A new view of the red and distant Universe from JWST/NIRSpec
Anna de Graaff (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
Jun 13
11:00
From Protoplanetary Disks Rings to Planet Formation
Haochang Jiang (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent publications
6/2025
Vandorou, Aikaterini; Dang, Lisa et al. (inc. Ranc, Clément)
OGLE-2016-BLG-1195Lb: A Sub-Neptune Beyond the Snow Line of an M-dwarf Confirmed by Keck Adaptive Optics
AJ 169, 319(2025)

6/2025
Patrick, L. R.; Lennon, D. J. et al. (inc. Sander, A. A. C.; González-Torà, G.; Bernini-Peron, M.; Schneider, F. R. N.)
Binarity at LOw Metallicity (BLOeM): The multiplicity properties and evolution of BAF-type supergiants
A&A 698, A39(2025)

5/2025
Josiek, J.; Sander, A. A. C. et al. (inc. Schösser, E. C.; Ramachandran, V.; Lefever, R. R.; González-Torà, G.; Bernini-Peron, M.)
Exploring the connection between atmosphere models and evolution models of very massive stars
A&A 697, A193(2025)