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
May 02
11:00
TBA
Julia Seidel (ESO)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
May 02
11:00
Neutrino observations uncovering the hadronic content of AGN jets
Alexander Plavin (BHI, Harward)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
May 06
16:30
New Tricks for the Analysis of Stellar Spectra
Carlos Allende Prieto (Instituto de Astrofisica de Canarias (IAC) )
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),

Recent publications
4/2025
Cannon, Richard E.; Rożek, Agata et al. (inc. Hundertmark, Markus)
Shape and spin state model of contact binary (388188) 2006 DP14 using combined radar and optical observations
MNRAS 538, 2311(2025)

4/2025
Schösser, E. C.; Ramachandran, V. et al. (inc. Lefever, R. R.; Josiek, J.; González-Torà, G.; Bernini-Peron, M.; Sander, A. A. C.)
Extremely iron-poor O-type stars in the Magellanic Bridge
A&A 696, L3(2025)

4/2025
Shi, Jianrong; Zhao, Gang et al. (inc. Matsuno, Tadafumi)
A Systematic NLTE Study of Very Metal-poor Stars with Metallicity down to ‑4.3 dex. I. Global Stellar Parameters Based on High-resolution Spectra
ApJ 983, 127(2025)