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.

Statement on Cycle 11 Call for Proposals deadline issues

Published: 30 Apr 2024

This announcement provides information regarding the Cycle 11 Call for Proposals (CfP) deadline submission issues experienced by some ALMA users. 

Upcoming workshop "The promises and challenges of the ALMA Wideband Sensitivity Upgrade": Deadline for in-person registration 12th of May 2024

Published: 29 Apr 2024

This is a reminder that the deadline for in-person registration on the 12th of May 2024 is approaching.

The workshop "The promises and challenges of the ALMA Wideband Sensitivity Upgrade" will take place at ESO - Garching from the 24th to the 28th of June, 2024. The aim of this workshop is to widely present the ALMA Wideband Sensitivity Upgrade and engage the community by showcasing the science that will be enabled in the upcoming years. At the same time, we will also solicit input from the ALMA community that will be used to inform priorities during the commissioning phase.

ALMA Cycle 11 Call for Proposals

Published: 21 Mar 2024

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 11 Call for Proposals (CfP) for scientific observations to be scheduled from October 2024 to September 2025. 

Proposal submission opens at: Thursday, 21 March 202415:00 UT
Proposal submission deadline is: Thursday, 25 April 2024, 15:00 UT  



Warning: MacOS Sonoma 14.4 Java issue might terminate OT unexpectedly

Published: 20 Mar 2024

Oracle have reported a serious incompatibility between macOS Sonoma 14.4 and Java which may result in the OT terminating unexpectedly. Users are advised to update their operating systems to macOS Sonoma 14.4.1 which fixes this issue.

I-TRAIN #23: The ALMA Observing Tool

Published: 19 Mar 2024

The European ARC Network invites users to an introduction to the ALMA Observing Tool on April 11th, 11:00 CEST [Zoom].

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