Science Announcements

Revolution in Astronomy with ALMA - The 3rd Year -

Published: 24 Feb 2014

Tokyo International Forum, Tokyo, Japan, 8-11 December 2014

The Atacama Large Millimeter/submillimeter Array (ALMA) has been producing a growing number of impressive and transformational science results as the most powerful mm/submm interferometer in the world. Held in central Tokyo, the aim of this workshop is to highlight the science results from ALMA obtained during the first three years of science operations. The science topics include all fields of astronomy: cosmology and galaxies in the distant Universe; nearby galaxies and the Galactic Centre; the interstellar medium and star formation in our own Galaxy; astrochemistry, circumstellar disks, exoplanets and the Solar System; stellar evolution and solar physics; and fundamental physics.

RASPUTIN: Resolved And unresolved Stellar PopUlaTIoNs

Published: 23 Feb 2014

ESO Workshop, ESO Headquarters, Garching, Germany, 13-17 October 2014

The study of stellar populations is one of the most relevant diagnostics to constrain galaxy formation and evolution. Quantitative analyses of the stellar content of galaxies pave the way to 'convert' starlight into physical quantities like stellar masses, chemical abundances and star formation rates, and to trace the evolution and chemical enrichment history of galaxies.

Presentation "ESO: Present and Future" at AAS Meeting

Published: 21 Jan 2014

The ESO Director General, Tim de Zeeuw, presented a plenary talk at the 223rd American Astronomical Society meeting, held in Washington DC, 5-9 January 2014, entitled "ESO: Present and Future". The talk outlined the development of ESO, summarized the current programme and considered perspectives for the coming decades. A PDF copy of the presentation can be downloaded.

Period 93 Proposal Statistics and VIMOS Public Surveys

Published: 21 Jan 2014

The 93rd Observing Programmes Committee met on 18-21 November 2013 and recommended three new Large Programmes (one for La Silla, one for Paranal, one for APEX) and one Calibration Programme (UT1/ KMOS). A total of 1079 (10-hour equivalent) nights of visitor and service mode observations on VLT, VISTA and VST, the 3.6-metre, NTT and APEX have been allocated.

First Release of PESSTO Spectral Data Products

Published: 21 Jan 2014

The Public ESO Spectroscopic Survey of Transient Objects (PESSTO) is one of the two on-going ESO public spectroscopic surveys. PESSTO aims to deliver high-quality, time series optical and near-infrared spectroscopy of optical transients covering a broad range of luminosity, host metallicity and explosion mechanisms. A summary of PESSTO is available (PDF). Data products resulting from the first release of PESSTO are now available via the Phase 3 query interface at the ESO Science Archive Facility.

Release of VISTA Deep Extragalactic Observations Survey Data in the VIDEO-XMM Field

Published: 20 Jan 2014

VIDEO is a deep near-infrared survey targeting ~12 square degrees over the ELAIS-S1, XMM-LSS and ECDFS extragalactic fields. VIDEO belongs to the suite of six public surveys being conducted with VISTA. The first public data release (DR1) of the VIDEO programme via the ESO Science Archive Facility, contained 97 individual (i.e. single-OB) tile images in the VIDEO-XMM3 field and their associated single-band source lists. This release (VIDEO-XMM DR2) adds 156 single-OB images in the VIDEO-XMM fields 1, 2 and 3.

APEX LABOCA and SABOCA Calibration Data

Published: 20 Jan 2014

The online interface to the Atacama Pathfinder Experiment (APEX) LABOCA and SABOCA calibration data has been significantly updated. The query pages for zenith opacities and calibration factors are affected. The calibration dataset has been fully re-reduced for both bolometer cameras, leading to improvements and using more precise algorithms to better estimate the sky opacity values. Extensive help pages have been added, including descriptions on how to use these data in BoA.

Clustering Measurements of Active Galactic Nuclei

Published: 19 Dec 2013

ESO Headquarters, Garching, Germany, 14–18 July 2014

Galaxies and active galactic nuclei (AGN) are not randomly distributed in the Universe. The distribution of AGN, measured by clustering, enables new insights into the physical conditions that govern the accretion onto supermassive black holes and high precision AGN clustering can provide constraints on cosmological parameters. AGN clustering measurements have gained significant interest in the last decade and upcoming large surveys will generate AGN samples with several million objects. These surveys offer the unique opportunity to study AGN and galaxy co-evolution, AGN physics, and cosmology with AGN clustering measurements.

Messenger Section on ESO Public Surveys

Published: 19 Dec 2013

The December 2013 issue of The Messenger contains a section with summaries of ten of the eleven ESO public surveys, together with an introductory overview on the progress of the public surveys. The whole issue, or individual articles, can be downloaded.

First Data Release of the VIKING Five-band Photometric Catalogue

Published: 19 Dec 2013

The VISTA Kilo-degree Infrared Galaxy Survey (VIKING), one of the 6 VISTA public surveys, is a wide area (eventually ~1500 square degrees), intermediate-depth (5-sigma detection limit J~21 [Vega]) near-infrared imaging survey, in the 5 broadband filters Z, Y, J, H, Ks. The first VIKING data release, which is based on observations until mid-February 2011, covers 226 square degrees in all 5 filters and consists of 14.7 million sources (including low-reliability single-band detections).

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