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.

Development study on ALMA uv coverage assessment completed

Published: 28 Aug 2024


A new development study has introduced new methods to define and measure the maximum recoverable angular scale in ALMA observations. These methods will improve imaging quality and allow for better predictions for observation scheduling.

Contributed by Dirk Petry.

Video on ALMA's Wideband Sensitivity Upgrade released

Published: 28 Aug 2024

In June 2024, the ESO workshop "The Promises and Challenges of the ALMA Wideband Sensitivity Upgrade" was held in Garching to introduce all details of this ambitious upgrade project to the user community (see the announcement in July's newsletter). Following this and in an effort to further advertise this upgrade to the community and the public in general, ESO has just released the video "ALMA's extreme makeover: the Wideband Sensitivity Upgrade". You can watch the video here.

Contributed by Maria Diaz Trigo.

First Joint VLT/ALMA Observing Proposal successfully completed

Published: 12 Aug 2024

From Cycle 10, it has been possible to propose for joint VLT and ALMA observations. The first joint VLT/ALMA observing proposal has now been completed (prog ID 113.269Z, PI Benisty). Multi-epoch observations of a protoplanetary disc using VLT/SPHERE and ALMA revealed the suface and midplane layers of the disc. These observations aim to understand the mechanisms and timescale of cooling, which are critical to understanding disc evolution.

Completion of the study on AlN SIS junctions technology development

Published: 26 Jul 2024

A study by the Group for Advanced Receiver Development (GARD, Sweden) to develop new fabrication technology for sub-micron size Aluminium Nitride (AlN) barrier Superconductor Insulator Superconductor (SIS) junctions has been successfully completed. These SIS junctions are at the core of most ALMA receivers where the sky signal is mixed with the Local Oscillator to tune the receivers to the desired frequency. 

Completion of the ALMA development study on the Atmospheric Model

Published: 26 Jul 2024

A development study aimed to validate and improve the current atmospheric radiative transfer model implemented for ALMA (atmospheric transmission model, ATM) has been successfully completed. The model is important for both planning and helping in the calibration of ground-based observations at millimeter and submillimeter wavelengths.

Upcoming Release of Observatory Project Data for "B3 observation of a super-deep field in HDF-S"

Published: 04 Jul 2024

The ALMA Observatory is starting the release process of the data acquired in one of the Observatory Projects, 2022.A.00034.S. 

Upcoming Release of Observatory Project Data for "A 5-pc-scale study of molecular clouds in the Antennae"

Published: 04 Jul 2024

The ALMA Observatory is starting the release process of the data acquired in one of the Observatory Projects, 2022.A.00032.S. 

ORP funding available for face-to-face visits till the end of 2024

Published: 16 Jun 2024

ORP (Opticon Radionet Pilot) funding remains available till the end of 2024 for travel to one of the European ALMA Regional Centre nodes in Europe, for ALMA users who need face-to-face support for their ALMA projects. Users wishing to apply for ORP funding should fill out the form in addition to submitting a Helpdesk ticket that is required to arrange the ARC node visit. Face-to-face visits to ARC nodes can be arranged for assistance with data calibration and analysis, proposal preparation, and archive research projects.

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