European ARC Announcements

European ARC Announcements are provided by ESO and the European ALMA Nodes that together make up the European ALMA Regional Centre Network.

Registration is now open for European ALMA School 2026

Published: 01 Aug 2025

We are delighted to announce that the 2026 European ALMA school will be hosted by the Allegro ARC node in Leiden, the Netherlands, from 26 to 30 January 2026. Whether you are an intermediate user or have never seen ALMA data before, this is the event for you - and a great opportunity to meet fellow ALMA users from Europe and beyond. The school will cover a broad range of topics related to ALMA: basics of interferometry, data calibration, synthesis imaging, working with the ALMA archive, advance data analysis techniques, and future ALMA developments.

Cycle 12 proposal statistics

Published: 01 Jul 2025

Statistics of proposal submission for Cycle 12 have been released. Europe continues to be the region with the highest oversubscription rate (7.8 for time on the 12m array). The median time requested on the 12m array per proposal increased to it's highest ever: 15.1 hrs. The report can be accessed here

European ALMA School 2026 pre-registration announcement

Published: 27 Jun 2025

The Allegro ARC node is delighted to host the next European ALMA school that will take place in Leiden (NL) between 26 - 30 January 2026. Aimed at PhD students and postdocs, the school will cover a broad range of aspects related to ALMA: interferometry, data calibration, synthesis imaging, exploiting the ALMA archive, analysis techniques, and future ALMA developments.

assess_ms 3.0: ALMA uv coverage assessment tool released

Published: 26 Jun 2025

On 12 June 2025, the ALMA uv coverage assessment tool assess_ms version 3.0 (public version) was released. The tool takes as input a set of calibrated MeasurementSets and produces as output various diagnostic plots and texts which enable the user to assess the quality of the uv coverage comparing it with a theoretical expectation. The tool can process 12M, 7M, and mixed array ALMA data. See the documentation for more details.

ALMA Band 2 receiver production reaches halfway mark

Published: 26 Jun 2025

On 18 June 2025, the 33rd Band 2 receiver left the premises of the Netherlands Research School for Astronomy (NOVA) and is now on its way to the ALMA Operations Support Facility in Chile. This marks an important milestone since half of the receivers needed to equip 66 ALMA antennas have now been provided. Representatives from the three European Band 2 consortium partners and ESO could witness this event.

Job opening for ALMA Project Scientist at ESO Garching

Published: 28 May 2025

ESO Garching is looking for a scientist with expertise in instrumentation for submillimetre astronomy or related fields. The ESO ALMA Project Scientist will support the development of the various upgrade development studies and projects of the ALMA Observatory which are an integral part of its long-term life. They will be primarily responsible for the definition of the scientific capabilities of several ALMA upgrade projects and follow-up of the development and construction phases of such projects. See the announcement on the ESO Recruitment Portal.

Call for Proposals for ALMA Development Studies

Published: 28 May 2025

ESO is pleased to announce the Call for Proposals (CfP) for development studies for ALMA upgrades, with a deadline for proposal submission on Wednesday 27 August 2025 at 11:00am CEST. Interested institutes should register on the In-Tend portal and express interest in the ALMA Development Studies 2025 with reference FCFP-129429-AMA. The specific focus of this call includes the relevance to the implementation of the ALMA Development Roadmap priorities, and particularly the development of new receiver components allowing an expansion to 4x the current IF bandwidth, as well as software initiatives that enable and maximize the science output of the Wideband Sensitivity Upgrade.

I-TRAIN #25: The ALMA UV coverage assessment tool (assess_ms 3.0)

Published: 25 May 2025

The European ARC Network invites users to a presentation on the first public release of the ALMA uv coverage assessment tool "assess_ms" on 13 June, 11:00 CEST (Zoom link).

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