27 September 2012 Current status of the Hobby-Eberly Telescope wide field upgrade
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Abstract
The Hobby-Eberly Telescope (HET) is an innovative large telescope of 9.2 meter aperture, located in West Texas at the McDonald Observatory (MDO). The HET operates with a fixed segmented primary and has a tracker which moves the four-mirror 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 increase the pupil size to 10 meters and the field of view to 22′ by replacing the corrector, tracker and prime focus instrument package. In addition to supporting the existing suite of instruments, this wide field upgrade will feed a revolutionary new integral field spectrograph called VIRUS, in support of the Hobby-Eberly Telescope Dark Energy Experiment (HETDEXχ). This paper discusses the current status of this upgrade.
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Gary J. Hill, John A. Booth, Mark E. Cornell, John M. Good, Karl Gebhardt, Herman J. Kriel, Hanshin Lee, Ron Leck, Walter Moreira, Phillip J. MacQueen, Dave M. Perry, Marc D. Rafal, Tom H. Rafferty, Chuck Ramiller, Richard D. Savage, Charles A. Taylor, Brian L. Vattiat, Lawrence W. Ramsey, Joseph H. Beno, Timothy A. Beets, Jorge D. Esguerra, Marco Häuser, Richard J. Hayes, James T. Heisler, Ian M. Soukup, Joseph J. Zierer, Michael S. Worthington, Nicholas T. Mollison, Douglas R. Wardell, Gregory A. Wedeking, "Current status of the Hobby-Eberly Telescope wide field upgrade", Proc. SPIE 8444, Ground-based and Airborne Telescopes IV, 84440K (27 September 2012); doi: 10.1117/12.925435; https://doi.org/10.1117/12.925435
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