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.

ALMA Regional Centre Community Assembly

Published: 15 Mar 2021

The European ALMA Regional Centre invites all European ALMA users to a virtual community assembly on 19 March at 12:30 CET. At this community meeting, we will update you on the current and upcoming observing cycle and address FAQs on how PI science will be carried out. Also we can answer any questions you may have on your ALMA projects and support from the European ARC network. The meeting can be accessed at this link.

ALMA anticipates resuming science observations

Published: 15 Mar 2021

ALMA anticipates restarting limited science operations in March 2021 with at least thirty-two and eight antennas on the 12-m and 7-m arrays, respectively. The array configuration is planned to be C43-4/C43-5, which will roughly correspond to the array when the operations were suspended in March 2020. 

ALMA Science Archive remote visualization with CARTA

Published: 12 Mar 2021

The Cube Analysis and Rendering Tool for Astronomy (CARTA), a new image visualization and analysis tool designed for ALMA, VLA, and SKA pathfinders, has been integrated into the ALMA Science Archive (ASA). Now all 500,000+ science FITS files in the ALMA archive can be previewed using CARTA (Cycle 0 excluded).

I-TRAIN #6: Improving image fidelity through self-calibration

Published: 08 Mar 2021

The I-TRAIN session in May will serve as a tutorial on self-calibration of ALMA data. The session will be held online on Tuesday May 25, 2021, 11:00 CEST [Zoom link]. In this session you will learn how to self-calibrate your interferometric images to improve their image fidelity. In particular, you will learn criteria to decide whether to self-calibrate, what preparation is needed, how to choose parameter values - and when to stop - and thus, how to improve the image dynamic range and bring faint details out of the noise.

Hands-on Training Opportunity: ALMA Data Reduction

Published: 07 Mar 2021

The German ARC node offers hands-on training in the reduction and analysis of ALMA data in their online Master-level course "Radio Interferometry 2021" which runs from April to July 2021. More information can be found here

Array Recovery Status Update

Published: 25 Jan 2021

While the COVID-19 pandemic persists all around the world, ALMA staff at the JAO and in the regions continue to work towards bringing the array back online, with the ultimate goal to resume science operations and deliver high-quality science data to our users. At this moment, the ALMA antennas are in the process of being powered up and inspected after having been stowed for about 300 days. 

Calibrated data available to all European users

Published: 19 Jan 2021

The European ARC CalMS service provides Calibrated Measurement Sets (MSs) for ALMA archive data for all users who request them. All European users are encouraged to make use of this service that has succesfully provided more than 500 MSs since October 2019.

I-TRAIN #4: How to inspect your ALMA data quickly and reliably

Published: 15 Jan 2021

The I-TRAIN session in February will serve as a tutorial on the inspection of ALMA WebLogs. The session will be held online on Friday February 19, 2020, 11:00 CET [Zoom link][Calendar (.ics)]. WebLogs are produced by the ALMA pipeline and contain diagnostic information on data calibration and imaging.  This session will teach users how to interpret the WebLog information and how to use it to guide re-imaging ALMA data.

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