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MOONS for the VLT at Paranal

Submitter: Johan Pragt
Description: MOONS (Multi-Object Optical and Near-infrared Spectrograph) is a large field (500 square arcminutes), multi-object (500 object + 500 sky fibres) instrument with spectral resolution of 5000 and 20 000 and a wavelength range from optical into the infrared (0.8 – 1.8 micron) proposed for the VLT Nasmyth focus.
The science case for MOONS is covering galactic structure and galaxy evolution up to the epoch of re-ionisation.

Today the Concept Design Review will take place at ESO in Garching.
The Dutch contribution is the development of the fibre fed spectrograph and its cryostat, in cooperation with Arcetri in Italie and UK-ATC in Edinburgh.

The spectrographs are the main units of the instrument, together with the fibre positioner and the field corrector unit.
The picture shows the cryostats of the 2 spectrographs (4x2x2 meter) onto the Nasmyth platform of one of the UTs of the VLT on Paranal and zooms into the spectrographs itself.
Copyright: NOVA Optical and Infrared Instrumentation Division at ASTRON, Universiteit van Amsterdam (UvA), UK-ATC Edinburgh, Arcetri in Italie
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