Science Users Information

These pages are aimed at ESO community astronomers and contain all the information required in order to prepare, execute, process and exploit observations with ESO facilities. They also provide information on the scientific activities taking place at ESO. Details can be accessed via the navigation menu.


ESO Science Announcements

Secondary Mirror of ELT Successfully Cast

Published: 13 Jun 2017

The casting of the secondary mirror blank for the ESO Extremely Large Telescope (ELT) was completed by SCHOTT at Mainz, Germany on 11 May 2017. The completed mirror will be 4.2 metres in diameter and weigh 3.5 tonnes. It will be the largest secondary mirror ever employed on an optical telescope and also the largest convex mirror ever produced. See the Release for more details.

First Stone Ceremony for ELT

Published: 13 Jun 2017

A ceremony marking the First Stone of the ESO Extremely Large Telescope (ELT) on 26 May 2017 was attended by the President of the Republic of Chile, Michelle Bachelet Jeria. The event was held at Paranal Observatory in northern Chile, close to Cerro Armazones, site of the ELT. This milestone marked the beginning of the construction of the dome and main telescope structure. The occasion also marked the connection of the Paranal Observatory to the Chilean national electrical grid. See the Release for more details.

ESO Signs Contracts for the ELT Primary Mirror

Published: 13 Jun 2017

Contracts for the manufacture of the 39-metre primary mirror of the ESO Extremely Large Telescope (ELT) were signed on 30 May 2017 at a ceremony at ESO Headquarters. The German company SCHOTT will produce the blanks of the mirror segments, and the French company Safran-Reosc will polish, mount and test the segments. The contract to polish the mirror blanks is the second-largest contract for the ELT construction. See the Release for more details.

Centimetre-Sub-Millimetre Q&U (and V) European Southern Observatory Workshop (QUESO)

Published: 11 Jun 2017

ESO Workshop, Garching, Germany, 25–27 October 2017

Full polarisation observation has been routine at the Karl G. Jansky Very Large Array (JVLA) and will become standard for the Atacama Large Millimeter/submillimeter Array (ALMA) in the mm and sub-mm wavelength bands (30–1000 GHz) in near future. The aim of the QUESO workshop is to bring together leading and potential science users of mm/sub-mm polarimetry, from research fields including AGN, star formation, solar observations and CMB, with observatory calibration experts and software developers.

Dispersing Elements for Astronomy: New Trends and Possibilities

Published: 11 Jun 2017

Joint Workshop: INAF Osservatorio Astronomico di Brera and ESO
Milan City Aquarium, Italy, 9–11 October 2017

The aim of the workshop is to bring together researchers and engineers involved in the design, realization and construction of spectroscopic instrumentation, and companies and institutes that produce dispersing elements and associated optical components. The workshop provides a forum for discussing the scientific needs for future instruments and the technological challenges in developing new types of dispersing elements.

The Messenger

The Messenger 167 is now available. Highlights include:

  • Stoehr F. et al. The ALMA Science Archive
  • Humphreys L. et al. ALMA Band 5 Science Verification
  • Kervella P. et al. The Nearby Evolved Star L2 Puppis as a Portrait of the Future Solar System
  • Spyromilio J. et al. Supernova 1987A at 30
  • Smette A. et al. — Report on the 2017 ESO Calibration Workshop: The Second-Generation VLT Instruments and Friends

You can subscribe to the hardcopy of The Messenger or browse the complete archive of issues.


The ESO Science Newsletter

The June 2017 issue is now available.

The ESO Science Newsletter, mailed approximately once per month, presents the most recent announcements. Subscription is controlled through the Manage Profile link on the User Portal. Back issues (2013-) are archived.