22 July 2014 Deployment of the Hobby-Eberly Telescope wide field upgrade
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Abstract
The Hobby-Eberly Telescope (HET) is an innovative large telescope located in West Texas at the McDonald Observatory. The HET operates with a fixed segmented primary and has a tracker, which moves the four-mirror optical corrector and prime focus instrument package to track the sidereal and non-sidereal motions of objects. A major upgrade of the HET is in progress that will substantially increase the pupil size to 10 meters (from 9.2 m) and the field of view to 22 arcminutes (from 4 arcminutes) by replacing the corrector, tracker, and prime focus instrument package. In addition to supporting existing instruments, and a new low resolution spectrograph, this wide field upgrade will feed a revolutionary new integral field spectrograph called VIRUS, in support of the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX§). The upgrade is being installed and this paper discusses the current status.
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Gary J. Hill, Gary J. Hill, Niv Drory, Niv Drory, John Good, John Good, Hanshin Lee, Hanshin Lee, Brian Vattiat, Brian Vattiat, Herman Kriel, Herman Kriel, Randy Bryant, Randy Bryant, Linda Elliot, Linda Elliot, Martin Landriau, Martin Landriau, Ron Leck, Ron Leck, David Perry, David Perry, Jason Ramsey, Jason Ramsey, Richard Savage, Richard Savage, Richard D. Allen, Richard D. Allen, George Damm, George Damm, D. L. DePoy, D. L. DePoy, Jim Fowler, Jim Fowler, Karl Gebhardt, Karl Gebhardt, Marco Haeuser, Marco Haeuser, Phillip MacQueen, Phillip MacQueen, J. L. Marshall, J. L. Marshall, Jerry Martin, Jerry Martin, Travis Prochaska, Travis Prochaska, Lawrence W. Ramsey, Lawrence W. Ramsey, Jean-Philippe Rheault, Jean-Philippe Rheault, Matthew Shetrone, Matthew Shetrone, Emily Schroeder Mrozinski, Emily Schroeder Mrozinski, Sarah E. Tuttle, Sarah E. Tuttle, Mark E. Cornell, Mark E. Cornell, John Booth, John Booth, Walter Moreira, Walter Moreira, } "Deployment of the Hobby-Eberly Telescope wide field upgrade", Proc. SPIE 9145, Ground-based and Airborne Telescopes V, 914506 (22 July 2014); doi: 10.1117/12.2057032; https://doi.org/10.1117/12.2057032
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