Science Announcements

Getting Ready for ALMA Band 5 – Synergy with APEX/SEPIA

Published: 18 Oct 2016

ESO Workshop, Garching, Germany, 1–3 February 2017

The frequency range from 160 to 210 GHz covered by ALMA Band 5 is one of the least explored to date. This band is expected to be offered in ALMA Cycle 5, but has already been extensively used in the SEPIA instrument on APEX since 2015. Important science topics covered by Band 5 include the 183 GHz H2O line, a wide range of dense molecular gas tracers (HCN(2-1), HNC(2-1), HCO+(2-1), etc), CO(2-1) at 0.077<z<0.414, [C I] and high-J CO lines in high redshift objects, and eventually the [C II] line at z>8.

Star Formation from Cores to Clusters

Published: 17 Oct 2016

ESO Workshop, Vitacura, Santiago, Chile, 6–9 March 2017

This Workshop aims to bring together astronomers pursuing a variety of strategies in answering the question: "What constitutes a prototypical low-mass star forming region from core to cluster scales?". This question refers specifically to the formation of low-mass stars, but also involves higher-mass stars, starless cores, brown dwarfs and planet formation simultaneous with low-mass star formation, and related topics. The workshop will feature observational and theoretical/simulation studies in pursuing a comprehensive understanding of low-mass star forming regions.

GRAVITY Science Verification Completed

Published: 16 Oct 2016

The VLTI K-band beam combiner instrument GRAVITY successfully completed its second run of Science Verification (SV) in September 2016 (10–18 September). Most programmes have been completed or mostly completed (i.e., the SV team assessed that sufficient data were collected to reach the proposal goal).

Third Public Release of the Kilo-Degree Survey (KiDS) Now Available

Published: 14 Oct 2016

KiDS is one of the ESO Public Surveys carried out with OmegaCAM at the VLT Survey Telescope (VST). Once complete, 1500 square degrees will have been observed in four filters (u, g, r, i). As a weak lensing shear tomography survey, KiDS will also map the large-scale matter distribution in the Universe and constrain the equation of state of Dark Energy. Its secondary science cases include galaxy evolution and structure of the Milky Way.

New VIDEO Survey Data Release in the ELAIS-S1, CDFS and XMM-LSS Fields

Published: 30 Sep 2016

VISTA Deep Extragalactic Observations (VIDEO) is a deep near-infrared survey which targets ~12 square degrees over the ELAIS-S1, XMM-LSS, and ECDFS extragalactic fields. VIDEO belongs to the suite of six Public Surveys being conducted by the Visible and Infrared Survey Telescope for Astronomy (VISTA). This 4th Data Release includes images and catalogues for the three survey fields.

First Data Release of the LEGA-C Public Spectroscopic Survey

Published: 13 Sep 2016

The ESO Public Spectroscopic Survey Large Early Galaxy Census (LEGA-C) has released science products from the first year of observations. LEGA-C started in December 2014 and observations are planned to be completed by mid-2018, with several data releases of the VIMOS spectra and value-added products before the completion of the survey. More information on the survey design, sample selection, observing strategy and data reduction in van der Wel et al. (2016) and a Messenger article.

Release of Proxima Centauri HARPS Science Spectra

Published: 09 Sep 2016

The 1-D spectral data products from the HARPS observations for ESO programme 096.C-0082, P.I. Anglada-Escudé, from January to March 2016, are now available from the Science Archive Facility. The results on the detection of a planet candidate around Proxima Cen from the analysis of these spectra, among others, are published in G. Anglada-Escudé et al. 2016.

Call for Proposals for Period 99

Published: 31 Aug 2016

The Call for Proposals for observations at ESO telescopes in Period 99 (1 April 2017 – 30 September 2017) has been released. Please consult the Call for Proposals 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 deadline for proposals is 12:00 CEST 29 September 2016.

The Impact of Binaries on Stellar Evolution

Published: 26 Aug 2016

3–7 July 2017, ESO Headquarters, Garching, Germany

Stars are mostly found in binary and multiple systems: at least 50% of all solar-like stars have companions and that fraction approaches 100% for the most massive stars. A large fraction of these systems will interact in some way and alter the structure and evolution of the components, leading to the production of exotic objects beyond standard stellar evolution models. This workshop (ImBaSE 2017) will examine in detail the impact of binaries on stellar evolution from observational and theoretical viewpoints.

2017 ESO Calibration Workshop: The Second Generation VLT Instruments and Friends

Published: 22 Aug 2016

16–19 January 2017, ESO Vitacura, Santiago, Chile

A complete, consistent calibration plan for each data set, fulfilling quality control criteria, was recognized as a cornerstone of VLT operation. In 2007, ESO organized its first calibration workshop and ten years later the 2017 ESO Calibration Workshop will bring together astronomers and instrument scientists to share their experiences, engage in open discussions, challenge current limitations and develop creative concepts for better calibration in the future.

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