Science Announcements

ESO Publication Statistics 2016

Published: 27 Feb 2017

Statistics on refereed publications in 2016 that make use of data from ESO telescopes have just been published by the ESO library. The statistics are calculated using the ESO Telescope Bibliography (telbib), a database of refereed publications that use ESO data. In January 2017, the total number of publications in telbib resulting from the La Silla Paranal Observatory since 1996, passed 13 000. The annual summary of publication statistics, with breakdown by telescopes and instruments and comparison with other observatories, is available as Basic ESO Publication Statistics.

Science with ALMA: Discoveries, Future Priorities and User Support

Published: 26 Feb 2017

Special Session SS20 at EWASS, Prague, 26 – 30 June 2017

The European Week of Astronomy and Space Science (EWASS) Special Session No. 20, held on the first day (26 June) of the conference, will be devoted to the three particular modes of observing with ALMA that demonstrate the unique capabilities of the facility: High-Frequency Observations (specifically in Bands 8, 9 and 10); High-Angular-Resolution Observations with baslines up to 16 km; Solar Observations. Further details on the SS20 site.

ALMA Cycle 4 Science Operations

Published: 25 Feb 2017

ALMA Cycle 4 (1 Oct 2016 – 30 Sept 2017) continues and PI observations will resume on 1 March 2017 after the "austral winter" engineering period through February. More information on the ALMA Status page.

 

New Weather Restrictions for La Silla ESO Telescopes

Published: 24 Feb 2017

Amended restrictions on humidity, wind and dew point applicable to opening and closing of the domes of the ESO 3.6-metre and the New Technology Telescope (NTT) have been recently released. Both telescopes wil be closed when humidy reaches 80% and can only be opened when it is below 70% for 30 minutes. For the ESO 3.6-metre, the new wind speed restriction will be 18 ms-1. The full listing of the weather restrictions for La Silla telescopes is available here (PDF). These stricter limits lead to a very small increase in weather downtime as result of increased telescope and instrument safety.

2017 VLTI Community Days

Published: 07 Feb 2017

VLTI Community Days: ESO Headquarters, Garching, Germany, 8–10 March 2017
VLTI Winter School: ESO Headquarters, Garching, Germany, 6–8 March 2017

The Very Large Telescope Interferometer (VLTI) is currently undergoing deployment of the second generation instruments and infrastructure upgrades, and the K-band multi-beam combiner instrument GRAVITY is being commissioned. The VLTI Community Days are a unique opportunity to get together and reflect on the present and plan for the future.

Data Release 4 of Images and Source Lists from VVV

Published: 06 Feb 2017

The VISTA Variables in the Via Lactea (VVV) survey fourth data release (DR4) provides VISTA tile images and source lists in ZYJHKs filters, processed by the Cambridge Astronomical Survey Unit (CASU), for a total sky coverage of 560 square degrees. DR4 contains science data products from observations in the period 1 October 2013 – 15 October 2015, and also science data products from observations in September 2010 to September 2013 not included in the previous release.

Additional Scope for ALMA Long Baseline Science Verification Targets

Published: 06 Feb 2017

The ALMA Long Baseline Campaign, taking place from 1 September to 30 November 2014, has been proceeding well. As a result, the observatory has decided to expand the scope of the capabilities to be demonstrated with two Science Verification (SV) targets with Band 7: the pre-main sequence star HL Tau and the gravitational lens SDP 81. Information on ALMA SV can be found here.

ESSENCE FORS1 Advanced Data Products Available Via Phase 3

Published: 06 Feb 2017

The project "Equation of State: SupErNovae trace Cosmic Expansion" (ESSENCE) aimed to collect ~200 Type Ia SNe over the redshift range 0.15 to 0.75 to study the equation of state of Dark Energy. Spectra were taken for this project with FORS1 in a Large Programme (ID 170.A-0519) and published by Matheson et al. 2005. Advanced data products are now available for these spectra via the query form of the Science Archive.

Announcement of 3mm VLBI in ALMA Cycle 5

Published: 19 Jan 2017

It is expected that phased ALMA will participate in some Global 3mm VLBI Array (GMVA) observations during ALMA Cycle 5 (1 October 2017 – 30 September 2018); see the full announcement for further details. Any GMVA proposal requesting phased ALMA during Cycle 5 must be submitted by the 1 February 2017 deadline; see the proposal call .

Availability of ALMA Solar SV Data

Published: 19 Jan 2017

The latest release of ALMA Science Verification (SV) data will contain observations of the Sun obtained during the Solar commissioning campaigns in 2014 and 2015. The release contains mosaics and single pointing observations in quiet and active solar regions at Band 3 and 6 with the 12-metre, 7-metre and total power arrays. The data are available under ALMA Science Portal SV.

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