6 August 2014 VIRUS instrument enclosures
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Abstract
The Visible Integral-Field Replicable Unit Spectrograph (VIRUS) instrument will be installed at the Hobby-Eberly Telescope† in the near future. The instrument will be housed in two enclosures that are mounted adjacent to the telescope, via the VIRUS Support Structure (VSS). We have designed the enclosures to support and protect the instrument, to enable servicing of the instrument, and to cool the instrument appropriately while not adversely affecting the dome environment. The system uses simple HVAC air handling techniques in conjunction with thermoelectric and standard glycol heat exchangers to provide efficient heat removal. The enclosures also provide power and data transfer to and from each VIRUS unit, liquid nitrogen cooling to the detectors, and environmental monitoring of the instrument and dome environments. In this paper, we describe the design and fabrication of the VIRUS enclosures and their subsystems.
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T. Prochaska, R. Allen, N. Mondrik, J. P. Rheault, M. Sauseda, E. Boster, M. James, M. Rodriguez-Patino, G. Torres, J. Ham, E. Cook, D. Baker, Darren L. DePoy, Jennifer L. Marshall, G. J. Hill, D. Perry, R. D. Savage, J. M. Good, Brian L. Vattiat, "VIRUS instrument enclosures", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91476U (6 August 2014); doi: 10.1117/12.2057040; https://doi.org/10.1117/12.2057040
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