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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Next Astro colloquia
Oct 29
11:15
Operational Status of the Vera C. Rubin Observatory’s Legacy Survey and ARI in-kind contribution
Markus Hundertmark (ARI)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
Nov 03
16:30
Decoding Galaxies & Star Formation Feedback with 100,000 Star Clusters: PHANGS-HST & JWST today, the future with HWO
Janice Lee (StSci)
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, Main Lecture hall (gHS),
Nov 04
14:00
TBD
Seok-Jun Chang (MPA)
ARI Special Colloquium
Astronomisches Rechen-Institut, Mönchhofstraße 12-14 [room in talk description], Astronomisches Rechen-Institut, Mönchhofstraße 12-14 [room in talk description]

More colloquia

Recent ZAH publications
10/2026
Roman-Lopes, A.; Fernández-Trincado, J. G. et al. (inc. Samantaray, A. S.; Sander, A. A. C.)
Massive stars in the Sloan Digital Sky Survey V: New O2 stars in the Large Magellanic Cloud
A&A 714, L3(2026)

10/2026
Schweder, F.; Trujillo-Gomez, S. et al.
Probabilistic estimation of galactic inclinations: Inferring calibrated uncertainties using a network trained on cosmological simulations
A&C 57, 01132(2026)

10/2026
Hsieh, Pei-Ying; Walker, Daniel L. et al. (inc. Klessen, Ralf S.; Chevance, Mélanie; Liang, Fu-Heng)
ALMA Central Molecular Zone Exploration Survey (ACES) - V. CS(2 - 1), SO(23 - 12), CH3CHO(51, 4 - 41, 3), HC3N(11 - 10) and H40α lines data
MNRAS 552, ag253(2026)


More publications