Welcome to ALMA and the European ALMA Regional Centre!

ALMA (Atacama Large Millimeter/submillimeter Array) is the world's largest ground-based facility for observations in the millimeter/submillimeter regime located on the Chajnantor plateau, 5000 meters altitude in northern Chile. It enables transformational research into the physics of the cold Universe, probes the first stars and galaxies, and directly images the formation of planets. ALMA comprises a giant array of fifty 12-m antennas, which can be configured to achieve baselines up to 16 km. It is equipped with state-of-the-art receivers that cover all the atmospheric windows up to 1 THz. In addition, a compact array of 7-m and 12-m antennas greatly enhance ALMA's ability to image extended sources.

The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. It supports its users mainly in the areas of proposal preparation, observation preparation, data reduction, and data analysis.

Below you can read the latest Announcements from the European ARC Network.. More details and up-to-date information can be found in the News section and the ALMA Science Portal.

ALMA Cycle 5 Call for Proposals is now open

Published: 21 Mar 2017

The ALMA Director, on behalf of the Joint ALMA Observatory (JAO) and the partner organizations in East Asia, Europe, and North America, is pleased to announce the ALMA Cycle 5 Call for Proposals (CfP) for scientific observations to be scheduled from October 2017 to September 2018.  The deadline is 20 April 2017, 15:00 UT.

ALMA Cycle 4 Science Operations resumes

Published: 02 Mar 2017

ALMA Cycle 4 (1 Oct 2016 – 30 Sept 2017) continues and PI observations will resume on 1 March 2017 after the "austral winter" engineering period through February. More information on the ALMA Status page.

Special Session SS20 at EWASS, Prague, 26 – 30 June 2017

Published: 02 Mar 2017

The European Week of Astronomy and Space Science (EWASS) Special Session No. 20, held on the first day (26 June) of the conference, will be devoted to the three particular modes of observing with ALMA that demonstrate the unique capabilities of the facility: High-Frequency Observations (specifically in Bands 8, 9 and 10); High-Angular-Resolution Observations with baslines up to 16 km; Solar Observations. Further details on the SS20 site.

ALMA proposal preparation day 2017

Published: 02 Mar 2017

Announcement from the Italian Node
4-5 April 2017 - Istituto di Radioastronomia Bologna, Ita

In anticipation of the ALMA Cycle 5 proposal submission deadline of April 20th, the Italian node of the European ARC is organizing an "ALMA proposal preparation day" to support the ALMA users with the preparation of their proposals. This meeting will be held at the INAF-Istituto di Radioastronomia, Bologna, on 4-5 April.

Radio Interferometry: Methods and Science

Published: 24 Feb 2017

Announcement from the German Node
The course Radio Interferometry: Methods and Science is organized by the German ARC node and offers a hands-on overview of major aspects of radio/mm/submm interferometry for master students, PhD students and senior astronomers.

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