European
Southern
Observatory
ESO Science Newsletter September 2021
31 Aug 2021

This newsletter is a summary of recent ESO Science Announcement items. Follow the links or visit ESO Science Announcements to read more.



Science Announcements


Call for Proposals for Period 109

27 Aug 2021:

The Call for Proposals for observations at ESO telescopes in Period 109 (1 April 2022 - 30 September 2022) has been released. Please consult the Period 109 document for the main news items and policies related to applying for time on ESO telescopes. All technical information about the offered instruments and facilities is contained on ESO webpages that are linked from the Call. The proposal submission deadline is 12:00 CEST 23 September 2021.

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La Silla Paranal Observatory Update

26 Aug 2021:

As of the shift starting August 30, all telescopes on Paranal are in science operations. HAWK-I has been recommissioned in the last days and is also ready. CRIRES commissioning concluded mid August, leaving CRIRES ready for P108. VISIR on-sky validation is ongoing, and it is expected to be available for P108. Therefore, all instruments announced for P108 will be available.

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DDT Proposals Resume their Full Scope Following the Closure of Special Call for Period 107

26 Aug 2021:

Following the closure of the Special Call for Period 107 on 1st September 2021, users will again be able to submit Director's Discretionary Time (DDT) proposals belonging to all the categories normally eligible through that channel, and not only for Target-of-Opportunity observations.

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Second Commissioning of IRLOS+, the Upgraded InfraRed Low-Order Wavefront Sensor of MUSE

25 Aug 2021:

Between 12th and 18 July 2021 the second commissioning of the upgraded InfraRed Low-Order wavefront Sensor of MUSE, IRLOS, was carried out through an efficient collaboration between the local Paranal team and the remote support team in Garching. The goal of the IRLOS upgrade, which uses a new SAPHIRA detector with sub-electron readout noise, was to add at least two magnitudes to the limiting magnitude of the adaptive optics module GALACSI Narrow-Field Mode. Moreover, the low-order loop frame rate was increased to 500 Hz for brighter targets. The results of the second commissioning show that those goals have been met or exceeded.

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New Features of the ESO Science Archive's Programmatic Access Layer

24 Aug 2021:

The programmatic layer of the ESO science archive has been recently upgraded. The main new feature is the support of authorized data searches, but there are other improvements useful to the all users of the ESO programmatic layer.

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ALMA Cycle 8 2021 Supplemental Call Pre-Announcement

24 Aug 2021:

The Cycle 8 Supplemental Call for Proposals is anticipated to open at 15:00 UT on September 8 with a proposal deadline of 15:00 UT on October 6. ALMA expects to allocate a minimum of 1500 h of observing time on the ACA in the Supplemental Call. Proposals are encouraged between a LST range of 20 to 10 h. Preliminary information is currently available. Complete details of the Supplemental Call will be posted on the ALMA Science Portal on September 8.

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Update on the Amplitude Calibration Issue Affecting some ALMA Data

24 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. For affected datasets with flux scale offsets >2% but <10%, ALMA will provide renormalized data on request from the PI as needed. For affected data in the ALMA Archive, an investigation is underway and plans will be described in a future announcement.

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ALMA Cycle 8 2021 Proposal Review: Detailed Report

24 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.

 

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ESO Fellowship Programme

05 Aug 2021:

ESO's prestigious postdoctoral fellowship programme in both Garching (Germany) and Santiago (Chile) offers outstanding early-career scientists the opportunity to further develop their independent research programmes. From exoplanets to cosmology, observational, theoretical and fundamental astrophysics, these are all areas where ESO Fellows can benefit from a highly dynamic scientific environment, at some of the most advanced ground-based telescopes in the world. Do watch ESOCast 165 to hear what current ESO fellows have to say about the fellowship programme or watch the virtual tour to ESO's premises from last year where young scientists could ask question about the fellowship programme.

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Third Release of the PESSTO Multi-Epoch Catalogue

04 Aug 2021:

A new version of the PESSTO Multi-Epoch Photometric Catalogue provides photometric lightcurve coverage for the Public European Southern Observatory Spectroscopic Survey of Transient Objects (PESSTO) targets for which follow-up lightcurves have been completed.This catalogue complements and completes the DR4 release announced in March 2021.

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Third and Final Data Release of the Large Early Galaxy Census (LEGA-C) Spectroscopic Public Survey Published

29 Jul 2021:

The third and final data release of the Large Early Galaxy Astrophysics Census (LEGA-C, ESO programmes 194.A-2005, 1100.A-0949) is now available. The LEGA-C public spectroscopic survey targets the 1.5 deg2 of the COSMOS field (RA=10hr, Dec=+2 deg) with the VLT VIMOS multi-object spectrograph from December 2014 to May 2018.

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First Data Release of the PHANGS-MUSE Large Programme

23 Jul 2021:

The PHANGS-MUSE project is an ESO Large Programme (PROGRAM ID: 1100.B-0651, PI: E. Schinnerer) which (including exposures from archival programs: 094.B-0321, 094.C-0623, 095.C-0473, 097.B-0640, 098.B-0551, 099.B-0242, 0100.B-0116) maps with MUSE 19 star forming spiral galaxies. This release provides combined mosaics of their central star-forming disk obtained by combining 5 to 15 MUSE pointings for each galaxy. In addition derived maps of emission line fluxes and kinematics as well as stellar kinematics are also included as ancillary files.

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Upcoming ESO or ESO-Related Workshops 

The forthcoming generation of Extremely Large Telescope (ELTs) will reach unprecedented spectroscopic sensitivity coupled with high angular resolution in the near infrared. This workshop will bring together the international astronomical community to explore the transformational science that the spectroscopic instrument suites of the ELTs (GMT, TMT and ELT) will achieve. High resolution simulations have played a key role in the development of the instrument science cases providing a quantifiable means to determine feasibility and to predict the scientific outcomes that can be achieved. The meeting will bring together theoreticians, modelers and observers, with interests ranging from exoplanets to cosmology, and it will set the stage for the community to plan and coordinate ELT science programmes and pre-cursor observations, making use of quantitative estimates of what the ELTs can achieve.

The vision for ALMA's future development is described in the ALMA Development Roadmap. In order to implement this vision a series of three workshops has been envisioned, in conjunction with corresponding working groups defining the appropriate scientific and technical specifications. Following the first two workshops held in 2020 to discuss potential correlator and digitizer upgrades that will realize the ALMA 2030 vision, we plan to complete the workshop trilogy with an ALMA Front-End Development Workshop, entitled "The ALMA 2030 Vision: A next generation of front-end receivers". This workshop will be held online, in the week of 27-30 September 2021.

Chilean based observatories have been leading the scientific research in several astronomical areas. This forum is organized around the highest impact science results in the last few years. We will show how these different observatories contributed to major advances in Astrophysics and we will put emphasis on the scientific involvement of the astronomers working at those observatories on those high impact results.

The detection and characterization of extrasolar planets is a field that has undergone rapid advancements in the past decades. As we push towards the detection of lower-mass planets around Sun-like stars via both direct and indirect techniques our understanding of the host star becomes increasingly important. This workshop aims to identify what aspects of our understanding of stellar properties are limiting our ability to measure and characterize extrasolar planets, to present new ideas on how to overcome them, and to develop new collaborations between researchers studying extrasolar planets and those studying the properties of the stars they orbit.

The primary goal of the workshop is to discuss the relevance of reproducible workflows in astronomy and potential pathways for the astronomical community. As part of the workshop, we will aim to share examples of reproducible work as well as tools and techniques for improving reproducibility and for mining astronomical data. We will discuss community guides, tools and white papers related to data sharing, reproducible workflows, data mining and big-data problems. This will include making recommendations for hiring and funding bodies that will aim to encourage open approaches and retain expertise in the astronomical community. We will organise groups to continue this work after the workshop is concluded to widen community participation.