Current status of the Hobby-Eberly Telescope wide-field upgrade

Savage, Richard; Booth, John; Cornell, Mark; Good, John; Hill, Gary J.; Lee, Hanshin; MacQueen, Phillip; Rafal, Marc; Vattiat, Brian; Gebhardt, Karl

doi:10.1117/12.857203

Current status of the Hobby-Eberly Telescope wide-field upgrade

Aug 7, 2010

12 pages

Part of Proceedings, SPIE Astronomical Telescopes + Instrumentation: High Energy, Optical, and Infrared Detectors for Astronomy IV : San Diego, California, June 27-July 2, 2010

Published in:

Proc.SPIE Int.Soc.Opt.Eng. 7733 (2010) 773343

Contribution to:

SPIE Astronomical Telescopes + Instrumentation

Published: Aug 7, 2010

DOI:

10.1117/12.857203

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Abstract: (International Society for Optics and Photonics)

The Hobby-Eberly Telescope (HET) is an innovative large telescope of 9.2 meter aperture, located in West Texas at theMcDonald Observatory (MDO). The HET operates with a fixed segmented primary and has a tracker which moves thefour-mirror corrector and prime focus instrument package to track the sidereal and non-sidereal motions of objects. Amajor upgrade of the HET is in progress that will increase the pupil size to 10 meters and the field of view to 22' byreplacing the corrector, tracker and prime focus instrument package. In addition to supporting the existing suite ofinstruments, this wide field upgrade will feed a revolutionary new integral field spectrograph called VIRUS, in supportof the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX^‡). This paper discusses the current status of thisupgrade.

Hobby-Eberly
telescope
HET
HETDEX
wide field corrector
tracker
spectrographs
VIRUS

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