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As-built new Mayall telescope top end for the DESI project

Gutierrez, G; Besuner, RW; Brooks, D; Doel, P; Flaugher, B; Friend, D; Gallo, G; ... Tarle, G; + view all (2018) As-built new Mayall telescope top end for the DESI project. In: Proceedings of SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107027Y. SPIE: Austin, Texas, United States. Green open access

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Abstract

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 present an overview of the mechanical structure that sits atop the Mayall Serrurier trusses and supports the six lenses, the Atmospheric Dispersion Compensator (ADC) rotator and the Focal Plane Assembly. This mechanical structure has already been built, we will describe the main technical requirements and challenges during the construction.

Type: Proceedings paper
Title: As-built new Mayall telescope top end for the DESI project
Event: SPIE Astronomical Telescopes + Instrumentation, 2018
ISBN-13: 9781510619579
Open access status: An open access version is available from UCL Discovery
DOI: 10.1117/12.2312728
Publisher version: https://doi.org/10.1117/12.2312728
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: http://discovery.ucl.ac.uk/id/eprint/10056118
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