Martini, P;
Bailey, S;
Besuner, RW;
Brooks, D;
Doel, P;
Edelstein, J;
Eisenstein, D;
... Wechsler, R; + view all
(2018)
Overview of the Dark Energy Spectroscopic Instrument.
In:
Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII; 107021F (2018).
SPIE: Austin, Texas, United States.
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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 square degrees 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 present an overview of the instrumentation, the main technical requirements and challenges, and the current status of the project.
| Type: | Proceedings paper |
|---|---|
| Title: | Overview of the Dark Energy Spectroscopic Instrument |
| Event: | SPIE Astronomical Telescopes + Instrumentation, 2018 |
| ISBN-13: | 9781510619579 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1117/12.2313063 |
| Publisher version: | https://doi.org/10.1117/12.2313063 |
| 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. |
| Keywords: | Multi-Object Spectroscopy, Fiber Spectroscopy, Fiber Positioners, Prime Focus, Mayall Telescope, Cosmic Acceleration, Dark Energy |
| UCL classification: | UCL 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: | https://discovery-pp.ucl.ac.uk/id/eprint/10056467 |
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