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MOSAIC at the ELT: A Gigantic Step into the Deep Universe

9-13 septembre 2019, Rome

link to the website of the conference

Scientific Rationale

In the next decade, the commissioning of Extremely Large Telescopes (20-40m class) will allow us to see the high redshift universe using new eyes of unprecedented power. By themselves or in combination with other facilities, these new eyes will have the potential to transform our understanding of the formation and early evolution of galaxies and black holes, first light and cosmic reionization, as well as the evolution of the intergalactic and circumgalactic media

Link to the site of the conference.

SCIENTIFIC RATIONALE

                The European Extremely Large Telescope (ELT) will be the world’s largest optical/IR facility for at least a generation. As it is currently the case for the European Very Large Telescope (VLT), the MOSAIC multi-object spectrograph will be the workhorse instrument for the ELT.

We are attending SPIE Astronomical Telescopes + Instrumentation in Austin this june 2018. SPIE is an international society advancing an interdisciplinary approach to the science and application of light. You will find below our contribution to the event. Feel free to download our material.

The proposed MOSAIC multi-object spectrograph will be the workhorse instrument for the future Extremely Large Telescope (ELT), the biggest visible/infrared telescope in the world. It will be the world-leading multi-object spectrograph well into the 2020s, contributing to most fields of contemporary astronomy. Scientists from across the world are meeting in Toledo to explore the unprecedented capabilities of MOSAIC in tracking the earliest ‘first-light’ structures in the Universe, and to refine proposals for observations that will uniquely trace the amounts of dark and invisible matter in the deep Universe.

  • Produced by Lightcurve Films
  • Direction, Concept, Text, Post Production : Maarten Roos (Lightcurve Films)
  • Graphical Animation : Dick Peterse (ScienceMedia.nl)
  • Voice Over : Pamela van de Wal
  • Voice Over & Translation Services
  • Original Music Score : William Zeitler
  • Scientific Advisor : Francois Hammer et al.

The Multi-Object Spectrograph, also known as MOSAIC, is a proposed instrument for ESO’s forthcoming Extremely Large Telescope (ELT). MOSAIC is currently in the initial project stage known as Phase A. The study contract was signed at the Paris Observatory on 18 March 2016 by ESO and the CNRS–INSU, the leading technical institute in the MOSAIC consortium. The consortium includes institutions from five countries (France, United Kingdom, The Netherlands, Brazil and Germany) with six associated partners (Austria, Finland, Italy, Portugal, Spain and Sweden).

Read the article on the ESO website

 

Paris, Tuesday 3rd October 2017

The MOSAIC multi-object spectrograph will be the workhorse instrument for the future Extremely Large Telescope (ELT), the biggest visible/infrared telescope in the world. It will be the world-leading multi-object spectrograph well into the 2020s, contributing to most fields of contemporary astronomy. Scientists from across the world are meeting in Toledo to explore the unprecedented capabilities of MOSAIC in tracking the earliest ‘first-light’ structures in the Universe, and to refine plans for observations that will uniquely trace the amounts of dark and invisible matter in the deep Universe (see video).

The MOSAIC team* is now finalising the design concept for a versatile multi-object spectrograph at the ELT. It will provide spectra of astronomical objects in both the visible and near-infrared parts of the electromagnetic spectrum, using optical fibres to relay light from the telescope to an array of spectrographs. In addition to enabling observations of hundreds of objects simultaneously, it will provide a mode where several targets of particular interest can be observed at finer spatial resolution via correction from wide-field adaptive optics.

When combined with the world’s largest collecting area at these wavelengths, MOSAIC will be able to observe the tiny spectral features arising from cold, warm and hot gas in the halos of galaxies in the deep Universe, looking back some 12 billion years. Using advanced tools that take into account the properties of the astronomical objects, the effects of Earth’s atmosphere, and the performance of the telescope and the instrument, young scientists will show a suite of new simulations in Toledo, Spain. These will demonstrate how MOSAIC will obtain the first rotation curves of the most distant galaxies, allowing astronomers to test if their dark matter content was already in place, or has changed with time. Beyond this flagship case, MOSAIC on the ELT will also provide unique observations of the first galaxies and possibly the first generation of stars, the early formation of massive black holes, and numerous mysteries in the distant and nearby Universe.

Figure 1 – Overview of the instrument. Spectrographs are shown on the left of the focal plate to select targets. MOSAIC development will generate several innovative and smart developments which will trigger a huge leverage effect on several areas, e.g., Deformable Mirrors, Optical Systems, fibre assemblies, detectors for both science and wave-front sensing, and real time computers.

(*) The MOSAIC Consortium includes five Leading Countries (France, the UK, the Netherlands, Brazil and Germany), and six Associated Partners (Austria, Finland, Italy, Portugal, Spain, and Sweden). The team includes François Hammer, Pascal Jagourel (Observatoire de Paris), Chris Evans (UK-ATC, Edinburgh), Mathieu Puech (Observatoire de Paris), Gavin Dalton (RAL & Oxford Univ.), Myriam Rodrigues (Observatoire de Paris), Ewan Fitzsimons (UK-ATC, Edinburgh), Simon Morris (Durham Univ.), Beatriz Barbuy (IAG, Sao Paulo), Jean-Gabriel Cuby (LAM, Marseille), Lex Kaper (Amsterdam Univ.), Martin Roth (AIP, Potsdam), Gérard Rousset (Observatoire de Paris), Richard Myers (Durham Univ.), Olivier Le Fèvre (LAM, Marseille), Alexis Finogenov (Helsinki Univ.), Bruno Castilho (LAN, Itajuba), Goran Ostlin (Stockholm Univ.), Jesus Gallego (Madrid, Computense Univ.), Iglesias-Paramo (IAA, Spain), Fabrizio Fiore (Roma Observatory), Bodo Ziegler (Vienna Univ.), Jose Afonso (Lisboa Univ.), Marc Dubbledam (Durham Univ.), Marc Close (Durham Univ.), Phil Parr Burman (UK-ATC), Tim Morris (Durham Univ.), Fanny Chemla (Observatoire de Paris), Fatima De Frondat (Observatoire de Paris), Andreas Kelz (AIP, Potsdam), Isabelle Guinouard (Observatoire de Paris), Ian Lewis (Oxford Univ.), Kevin Middleton (RALSPACE, Oxford), Ramon Navarro (NOVA), Marie Larrieu (IRAP, Toulouse), Johan Pragt (NOVA), Annemieke Janssen (NOVA), Kjetil Dohlen (LAM, Marseille), Kacem El Hadi (LAM, Marseille), Yanbin Yang (Observatoire de Paris), Sylvestre Taburet (Observatoire de Paris), Mickael Frotin (Observatoire de Paris), Claire Bouillet (Observatoire de Paris).

Some links :

17-19th October 2017 – Toledo, Spain

Scientific Rationale

The Extremely Large Telescope (ELT) will be the world's largest optical/IR facility for at least a generation. It will have an immense collecting area, equivalent to gathering together all the current large telescopes in use today. Multi-object spectroscopy will be a key capability of the observatory, immediately able to harness its unprecedented sensitivity to deliver unique surveys which address a broad range of important topics in contemporary astrophysics.

The conceptual design of MOSAIC, a powerful multi-object spectrograph for the ELT, will conclude in late 2017. The design combines high-multiplex near-IR and visible spectroscopy, together with AO-corrected spectroscopy in the near-IR that exploits the fantastic angular resolution of the ELT across a large field of view. These capabilities will enable MOSAIC to tackle fundamental questions, e.g. pertaining to the formation and evolution of galaxies, which are simply out of reach of other facilities.

This colloquium is timed to discuss the scientific opportunities of surveys with MOSAIC, focussing in particular on simulated performances from the conceptual design. It will also take stock of other developments that will influence surveys envisaged for the late 2020s.

Visit website : https://www.mosaictoledo.org/

  1. MOSAIC Mid-Term Review
  2. MOSAIC, the Multi-Object Spectrograph of the Extremely Large Telescope (ELT)

Who are we? Infos on the MOSAIC consortium.

CONSORTIUM

Scientific goals and milestones: why MOSAIC?

SCIENCE

How do we get there? All the technology behind MOSAIC.

INSTRUMENT

What performance can we expect from MOSAIC?

PERFORMANCE

How will MOSAIC fit in the instrumental landscape?

SYNERGY