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Proceedings Paper

The Cosmic Web Imager: an integral field spectrograph for the Hale Telescope at Palomar Observatory: instrument design and first results
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Paper Abstract

We describe the Cosmic Web Imager (CWI), a UV-VIS integral eld spectrograph designed for the Hale 200" telescope at the Palomar Observatory. CWI has been built specically for the observation of diuse radiation. The instrument eld of view is 60"40" with spectral resolving power of R5000 and seeing limited spatial resolution. It utilizes volume phase holographic gratings and is intended to cover the spectral range 3800A to 9500A with an instantaneous bandwidth of 450A. CWI saw rst light in July 2009, and conducted its rst successful scientic observations in May 2010.

Paper Details

Date Published: 15 July 2010
PDF: 12 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77350P (15 July 2010); doi: 10.1117/12.856644
Show Author Affiliations
Mateusz Matuszewski, California Institute of Technology (United States)
Daphne Chang, California Institute of Technology (United States)
Robert M. Crabill, California Institute of Technology (United States)
D. Christopher Martin, California Institute of Technology (United States)
Anna M. Moore, Caltech Optical Observatories (United States)
Patrick Morrissey, California Institute of Technology (United States)
Shahinur Rahman, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 7735:
Ground-based and Airborne Instrumentation for Astronomy III
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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