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The construction, alignment, and installation of the VIRUS spectrograph
2014
Ground-based and Airborne Instrumentation for Astronomy V
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 ↵ emitters at 1.9 < z < 3.5 to measure the evolution of dark energy. Here we present the assembly
doi:10.1117/12.2056503
fatcat:llkokbvou5g3zfzzxrvnn6xneu