The construction, alignment, and installation of the VIRUS spectrograph

Sarah E. Tuttle; Gary J. Hill; Hanshin Lee; Brian Vattiat; Eva Noyola; Niv Drory; Mark Cornell; Trent Peterson; Taylor Chonis; Richard Allen; Gavin Dalton; Darren DePoy; Doug Edmonston; Maximillian Fabricius; Dionne Haynes; Andreas Kelz; Martin Landriau; Michael Lesser; Bob Leach; Jennifer Marshall; Jeremy Murphy; David Perry; Travis Prochaska; Jason Ramsey; Richard Savage

doi:10.1117/12.2056503

14 July 2014 The construction, alignment, and installation of the VIRUS spectrograph

Sarah E. Tuttle, Gary J. Hill, Hanshin Lee, Brian Vattiat, Eva Noyola, Niv Drory, Mark Cornell, Trent Peterson, Taylor Chonis, Richard Allen, Gavin Dalton, Darren DePoy, Doug Edmonston, Maximillian Fabricius, Dionne Haynes, Andreas Kelz, Martin Landriau, Michael Lesser, Bob Leach, Jennifer Marshall, Jeremy Murphy, David Perry, Travis Prochaska, Jason Ramsey, Richard Savage

Author Affiliations +

Proceedings Volume 9147, Ground-based and Airborne Instrumentation for Astronomy V; 91470R (2014) https://doi.org/10.1117/12.2056503
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

VIRUS is the massively replicated fiber-fed spectrograph being built for the Hobby-Eberly Telescope to support HETDEX (the Hobby-Eberly Telescope Dark Energy Experiment). The instrument consists of 156 identical channels, fed by 34,944 fibers contained in 78 integral field units, deployed in the 22 arcminute field of the upgraded HET. VIRUS covers 350-550nm at R ≈ 700 and is built to target Lyman α emitters at 1.9 < z < 3.5 to measure the evolution of dark energy. Here we present the assembly line construction of the VIRUS spectrographs, including their alignment and plans for characterization. We briefly discuss plans for installation on the telescope. The spectrographs are being installed on the HET in several stages, and the instrument is due for completion by the end of 2014.

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Sarah E. Tuttle, Gary J. Hill, Hanshin Lee, Brian Vattiat, Eva Noyola, Niv Drory, Mark Cornell, Trent Peterson, Taylor Chonis, Richard Allen, Gavin Dalton, Darren DePoy, Doug Edmonston, Maximillian Fabricius, Dionne Haynes, Andreas Kelz, Martin Landriau, Michael Lesser, Bob Leach, Jennifer Marshall, Jeremy Murphy, David Perry, Travis Prochaska, Jason Ramsey, and Richard Savage "The construction, alignment, and installation of the VIRUS spectrograph", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91470R (14 July 2014); https://doi.org/10.1117/12.2056503

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