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Proceedings Article

VIRUS: first deployment of the massively replicated fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope

[+] Author Affiliations
Gary J. Hill, Sarah E. Tuttle, Brian L. Vattiat, Hanshin Lee, Niv Drory, Jason Ramsey, John M. Good, Hermanus Kriel, Martin Landriau, Phillip J. MacQueen, R. D. Savage, Heiko Anwad

McDonald Observatory, The Univ. of Texas at Austin (United States)

Andreas Kelz, Dionne M. Haynes, Thomas Jahn, M. M. Roth

Leibniz-Institut für Astrophysik Potsdam (Germany)

Trent W. Peterson, Karl Gebhardt, Taylor Chonis, Briana L. Indahl, Eva Noyola, Steve Finkelstein

The Univ. of Texas at Austin (United States)

D. L. DePoy, J. L. Marshall, Travis Prochaska, Richard D. Allen

Texas A&M Univ. (United States)

Gavin Dalton

Univ. of Oxford (United Kingdom)

Daniel Farrow, Francesco Montesano, Ralf Bender, Maximilian H. Fabricius, Jan M. Snigula

Max-Planck-Institut für extraterrestrische Physik (Germany)

Harald Nicklas

Institut für Astrophysik Göttingen (Germany)

Guillermo Blanc

Carnegie Observatories (United States)

Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99081H (August 9, 2016); doi:10.1117/12.2231064
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From Conference Volume 9908

  • Ground-based and Airborne Instrumentation for Astronomy VI
  • Christopher J. Evans; Luc Simard; Hideki Takami
  • Edinburgh, United Kingdom | June 26, 2016

abstract

The Visible Integral-field Replicable Unit Spectrograph (VIRUS) consists of 156 identical spectrographs (arrayed as 78 pairs) fed by 35,000 fibers, each 1.5 arcsec diameter, at the focus of the upgraded 10 m Hobby-Eberly Telescope (HET). VIRUS has a fixed bandpass of 350-550 nm and resolving power R~700. VIRUS is the first example of industrial-scale replication applied to optical astronomy and is capable of surveying large areas of sky, spectrally. The VIRUS concept offers significant savings of engineering effort, cost, and schedule when compared to traditional instruments. The main motivator for VIRUS is to map the evolution of dark energy for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX‡), using 0.8M Lyman-alpha emitting galaxies as tracers. The VIRUS array is undergoing staged deployment during 2016 and 2017. It will provide a powerful new facility instrument for the HET, well suited to the survey niche of the telescope, and will open up large spectroscopic surveys of the emission line universe for the first time. We will review the production, lessons learned in reaching volume production, characterization, and first deployment of this massive instrument. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Gary J. Hill ; Sarah E. Tuttle ; Brian L. Vattiat ; Hanshin Lee ; Niv Drory, et al.
" VIRUS: first deployment of the massively replicated fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope ", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99081H (August 9, 2016); doi:10.1117/12.2231064; http://dx.doi.org/10.1117/12.2231064


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