Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut


Prof. Dr. Eva Grebel   and
Prof. Dr. Joachim Wambsganß
Tel: +49 6221 54 1801 (Secretary)
FAX: +49 6221 54 1888


Astronomisches Rechen-Institut
Mönchhofstr. 12-14
69120 Heidelberg

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, stellar dynamics, astrometry, satellite missions, and calendrical calculations.

The ARI is involved in various local, European, and worldwide scientific networks and collaborations. The ARI plays a leading role in the preparation of the Gaia satellite mission of the European Space Agency. The ARI also operates a special high-performance computer for calculating gravitational interactions.

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Dec 03
No Talk in ARI Colloquium on December 3, 2020, due to Gaia Data Release EDR3. The originally scheduled talk by Peter Berczik will take place in Rainer Spurzem's Tea Seminar on January 19, 2021.
ARI Institute Kolloquium
Astronomisches Rechen-Institut, Mönchhofstraße 12-14, Astronomisches Rechen-Institut, Mönchhofstraße 12-14
Dec 04
Star Formation in the Turbulent-Multiphase Interstellar Medium
Shmuel Bialy (CfA)
Königstuhl Kolloquium
Via zoom link. Please contact organisers if you need the zoom information.,
Dec 08
The genesis of the first elements
Ryan Cooke (Durham University)
Heidelberg Joint Astronomical Colloquium

Recent publications
Mardini, Mohammad K.; Placco, Vinicius M. et al. (inc. Sedda, Manuel Arca; Berczik, Peter; Mazzarini, Matteo; Avramov, Branislav)
Cosmological Insights into the Early Accretion of r-process-enhanced Stars. I. A Comprehensive Chemodynamical Analysis of LAMOST J1109+0754
ApJ 903, 88(2020)

Madden, S. C.; Cormier, D. et al. (inc. Chevance, M.; Hony, S.)
Tracing the total molecular gas in galaxies: [CII] and the CO-dark gas
A&A 643, A141(2020)

Arca Sedda, Manuel; Berry, Christopher P. L. et al.
The missing link in gravitational-wave astronomy: discoveries waiting in the decihertz range
CQGra 37, u5011(2020)