VIRUS-P: A Powerful Integral Field Spectrograph Designed For Replication

Details VIRUS-P: A Powerful Integral Field Spectrograph Designed For Replication VIRUS-P: A Powerful Integral Field Spectrograph Designed For Replication

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.1121h&link_type=abstract

American Astronomical Society, AAS Meeting #211, #11.21; Bulletin of the American Astronomical Society, Vol. 39, p.747

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The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) will outfit the 10 m HET with a new wide field and an array of 145 integral-field spectrographs to survey a 400 sq. degree area in the north galactic cap. Each fiber-coupled unit spectrograph will cover 350-590 nm, simultaneously at 5 A resolution, providing 40,000 spectra per exposure. This instrument, called VIRUS, will open up surveys of the emission-line universe for the first time, and in particular will be used to detect 1 million Lyman-alpha emitting (LAE) galaxies with 1.9 < z < 3.8.
The prototype of the VIRUS unit spectrograph (VIRUS-P) is a powerful instrument in its own right. Used on the McDonald 2.7 m Smith reflector, it covers the largest area of any integral field spectrograph, and has coverage down to 340 nm. It is currently in use for a pilot survey to better measure the properties of LAE galaxies in support of HETDEX, among other investigations where it is uniquely powerful. We report details of the VIRUS-P design and its performance.
VIRUS-P has been made possible by a generous donation from the Cynthia and George Mitchell Foundation. This work is supported by Texas Advanced Research Program Grant No. 003658-0005-2006

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