Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut

Address:

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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Next Astro colloquia
Nov 04
14:00
Charge Exchange Illuminates Turbulent Cold–Hot Interfaces
Yizhan Zhang (Fudan University)
ARI Special Colloquium
Astronomisches Rechen-Institut, Mönchhofstraße 12-14 [room in talk description], Astronomisches Rechen-Institut, Mönchhofstraße 12-14 [room in talk description]
Nov 04
14:30
LyC Radiative Transfer
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]
Nov 05
11:15
Formation of Balmer Lines in Little Red Dots with Radiative Transfer in Multiphase Gas
Seok-Jun Chang (MPA)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG

More colloquia

Recent ZAH publications
10/2026
Sabhahit, Gautham N.; Vink, Jorick S.; Sander, Andreas A. C.
Hydrodynamical mass-loss rates for very massive stars: II. New theoretical mass-loss predictions at solar metallicity (Z = 0.02)
A&A 714, A316(2026)

10/2026
Ginsburg, Adam; Walker, Daniel L. et al. (inc. Liang, Fu-Heng; Glover, Simon C. O.; Chevance, Mélanie; Klessen, Ralf S.)
ALMA Central Molecular Zone Exploration Survey (ACES) - II. 3 mm continuum images
MNRAS 552, ag354(2026)

10/2026
Longmore, Steven N.; Bally, John et al. (inc. Liang, Fu-Heng; Klessen, Ralf S.; Glover, Simon C. O.; Girichidis, Philipp; Chevance, Mélanie)
ALMA Central Molecular Zone Exploration Survey (ACES) - I. Overview
MNRAS 552, ag377(2026)


More publications