German ALMA Regional Centre (ARC) Node

The Atacama Large Millimeter/Submillimeter Array (ALMA) is a revolutionary interferometer for mm and submm astronomy in the Atacama desert in Northern Chile. It is operated by a global collaboration between Europe (ESO), North America (NRAO) and East Asia (NAOJ), in cooperation with Chile. The interface between ALMA and the user communities is provided by three ALMA Regional Centres (ARCs) in Europe, North America and East Asia.

The European ARC (EU ARC) is organized as a coordinated network with a central node at ESO Headquarters in Garching bei München and regional nodes located in Bologna(I), Bonn/Cologne(D), Grenoble(F), Leiden(NL), Manchester(GB), Ondrejov(CZ), and Onsala(S). The concept and the implementation of the EU ARC network has been described in an article in the ESO Messenger (Hatziminaoglou et al. 2015, Msngr. 162, 24).

The German ARC node is a collaboration of the universities of Bonn and Cologne. Its headquarters are located at the Argelander-Institut für Astronomie in Bonn. The German ARC node provides services to ALMA operations, the local astronomical community and the general public:

Newsletters and Announcements


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German ALMA Community Day 2026

The next Call for Proposals for observing time with ALMA (Cycle 13) is anticipated to be issued on 19 March 2026. The deadline for proposals is expected to be on 23 April 2026, with observations starting in October 2026. Capabilities and modes offered in Cycle 13 will include Large Programs and likely Band 2 on the 12-m Array. Please refer to the Announcement for early proposal planning for Cycle 13 for more details.

As a kick-off into the proposal preparation season, the German ARC node cordially invites its community to gather at the

German ALMA Community Day 2026

Place: Argelander-Institut für Astronomie, Auf dem Hügel 71, 53121 Bonn
Date: Thursday, 26 March 2026, starting at 10:00 CEST

Registration for this event will open in late February. Please save the date!