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 Cycle 8 2021 Proposal Review: Detailed Report

Published: 20 Aug 2021

A detailed report on the outcome of the ALMA Cycle 8 2021 Proposal Review Process is now available. The report details the proposal review process, proposal statistics and regional distributions, as well as the proposal distribution across science categories and receiver bands. The highest priority Cycle 8 2021 projects are listed at this link.

Update on the Amplitude Calibration Issue Affecting some ALMA Data

Published: 11 Aug 2021

ALMA has begun work on correcting some Cycle 7 interferometric datasets for a visibility amplitude calibration error that affects fields containing strong astronomical emission – details were described in this previous announcement. For all affected datasets with a >10% flux scale offset that have yet to be delivered, including those that will be observed in the remainder of Cycle 7 and in Cycle 8 2021, ALMA will apply a renormalization correction during data processing to correctly scale the amplitude calibration before being sent to PIs.

New development study exploring atmospheric variations

Published: 01 Aug 2021

The ESO internal ALMA development study "ESO-ALLEGRO Phase RMS database" officially started in July 2021. Since site testing studies conducted over two-decades ago there have been no statistical studies, nor material presented to explore the atmospheric variations (phase RMS) of the thousands of accrued ALMA observations. The Phase RMS study will remedy this.

ALMA Cycle 7 Science Observations Status Update

Published: 16 Jul 2021

Cycle 7 PI science observations have been continuing, although with some significant interruption due to snowstorms at the end of May and in mid-June. Combined with pandemic conditions affecting maximum staffing levels at the site, this led to a delay in reaching the 12-m Array C43-7 configuration (completed on 12 July). Unfortunately, the delay has an impact on the configuration schedule for the remainder of Cycle 7.

Amplitude calibration issue affecting some ALMA data

Published: 15 Jul 2021

A visibility amplitude calibration error that affects fields containing strong line emission has been discovered in ALMA interferometer observations up to and including Cycle 7.

ALminer: ALMA archive mining and visualization toolkit

Published: 14 Jul 2021

ALminer (ALMA archive mining and visualization toolkit) is a novel Python-based code that enables users to efficiently query, analyse, and visualize the ALMA Science Archive. Users can programmatically query the archive for positions, target names, or any other keywords in the archive metadata (e.g. proposal title, abstract, scientific category) in a simple way. For more information about how to install and use ALminer, please visit the documentation or GitHub pages.

I-TRAIN: summer break and recordings from past events

Published: 13 Jul 2021

The training series I-TRAIN organised by the European ARC Network will be paused during the European summer months and then resumed in the autumn. In the meantime, videos and materials of the past sessions can be accessed from the ALMA Science Portal, including the last trainings on self-calibration and polarisation observations with ALMA.

Research Associate Position at the UK ARC Node

Published: 05 Jul 2021

The UK ARC Node at the Jodrell Bank Centre for Astrophysics invites applications for a postdoctoral research associate position to work as a support astronomer for UK ALMA users. The closing date is 09 August 2021.

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