WEAVE: an instrument to analyse the Universe’s light

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A fully configured WEAVE field, with 700 of some 950 fibres placed by two robots
A fully configured WEAVE field, with 700 of some 950 fibres placed by two robots (not in image), in position on the William Herschel Telescope. © Gavin Dalton/U. Oxford/STFC-RAL Space
A fully configured WEAVE field, with 700 of some 950 fibres placed by two robots (not in image), in position on the William Herschel Telescope. Gavin Dalton/U. Oxford/STFC-RAL Space - The WEAVE instrument, now being installed at the Roque de los Muchachos Observatory (Canary Islands, Spain), will be able to observe nearly 1 000 astronomical objects simultaneously. The product of a major international collaboration, it is scheduled to carry out its first observations in October 2021. It will in particular be used to undertake a detailed study of the Milky Way, the evolution of galaxies and the most distant light sources. The WEAVE spectrograph, which is supported in France by the CNRS, the Paris Observatory - PSL and the Côte d'Azur Observatory, has arrived at its destination in the Canary Islands. The new instrument meets the needs of the astronomical community by providing them with a more effective means of observing the Universe.
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