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arxiv: 1807.09907 · v1 · pith:KLGE6PTTnew · submitted 2018-07-26 · 🌌 astro-ph.IM

Dark Energy Spectroscopic Instrument (DESI) Fiber Positioner Production

Daniela Leitner , Jessica Aguilar , Jon Ameel , Robert Besuner , Todd Claybaugh , Henry Heetderks , Michael Schubnell , Jean-Paul Kneib
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Joseph Silber Gregory Tarl\'e Curtis Weaverdyck Kai Zhang
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classification 🌌 astro-ph.IM
keywords fiberwilldarkdesienergyinstrumentmayallpositioner
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The Dark Energy Spectroscopic Instrument (DESI) is under construction to measure the expansion history of the Universe using the Baryon Acoustic Oscillation technique. The spectra of 35 million galaxies and quasars over 14000 sq deg will be measured during the life of the experiment. A new prime focus corrector for the KPNO Mayall telescope will deliver light to 5000 fiber optic positioners. The fibers in turn feed ten broad-band spectrographs. We will describe the production and manufacturing processes developed for the 5000 fiber positioner robots mounted on the focal plane of the Mayall telescope.

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Cited by 1 Pith paper

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