Astronomisches Rechen-Institut: Zentrum für Astronomie
Ruprecht-Karls-Universität Heidelberg

Astronomisches Rechen-Institut

Directors:

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

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, 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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Colloquia
May 16
11:15
Do Dwarf Galaxies Dance to ΛCDM’s Tune?
Marcel Pawlowski (AIP)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
May 17
11:00
TBA
Ryan Hickox (Dartmouth)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)
May 17
11:00
Hidden black holes and their evolution over cosmic time
Ryan Hickox (Dartmouth)
Königstuhl Kolloquium
MPIA lecture hall,

Recent publications
5/2024
Matsuno, Tadafumi; Starkenburg, Else et al.
Improving metallicity estimates for very metal-poor stars in the Gaia DR3 GSP-Spec catalog
A&A 685, A59(2024)

4/2024
Prudil, Z.; Kunder, A.; Dékány, I.; Koch-Hansen, A. J.
The Galactic bulge exploration. I. The period-absolute magnitude-metallicity relations for RR Lyrae stars for GBP, V, G, GRP, I, J, H, and Ks passbands using Gaia DR3 parallaxes
A&A 684, A176(2024)

4/2024
Polyachenko, Evgeny V.; Shukhman, Ilia G.
Exploring the dynamics of collisionless spherical stellar systems using the matrix method: Insights from the dilation mode
A&A 684, A58(2024)