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The Cosmic Web Imager: An integral field spectrograph for the Hale Telescope at Palomar Observatory: Instrument design and first results

Matuszewski, Mateusz and Chang, Daphne and Crabill, Robert M. and Martin, D. Christopher and Moore, Anna M. and Morrissey, Patrick and Rahman, Shahinur (2010) The Cosmic Web Imager: An integral field spectrograph for the Hale Telescope at Palomar Observatory: Instrument design and first results. In: Ground-Based and Airborne Instrumentation for Astronomy III. Proceedings of SPIE. No.7735. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 77350P. ISBN 978-0-81948-225-9 . http://resolver.caltech.edu/CaltechAUTHORS:20110329-084157258

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Abstract

We describe the Cosmic Web Imager (CWI), a UV-VIS integral field spectrograph designed for the Hale 200" telescope at the Palomar Observatory. CWI has been built specifically for the observation of diffuse radiation. The instrument field of view is 60" x 40" with spectral resolving power of R ~5000 and seeing limited spatial resolution. It utilizes volume phase holographic gratings and is intended to cover the spectral range 3800Å to 9500Å with an instantaneous bandwidth of ~450Å. CWI saw first light in July 2009, and conducted its first successful scientific observations in May 2010.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1117/12.856644DOIArticle
http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=750730PublisherArticle
Additional Information:© 2010 SPIE. This material is based upon work supported by Caltech and the NSF Under Award No. AST-0505381. We extend special thanks to the wonderful staff at Palomar Observatory and the talented and caring people at Caltech Optical Observatories.
Group:Space Astrophysics Laboratory
Funders:
Funding AgencyGrant Number
NSFAST-0505381
Subject Keywords:Cosmology; Integral Field Spectroscopy; VPH Gratings; Cosmic Web Imager
Record Number:CaltechAUTHORS:20110329-084157258
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20110329-084157258
Official Citation:Mateusz Matuszewski ; Daphne Chang ; Robert M. Crabill ; D. Christopher Martin ; Anna M. Moore ; Patrick Morrissey and Shahinur Rahman "The Cosmic Web Imager: an integral field spectrograph for the Hale Telescope at Palomar Observatory: instrument design and first results", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77350P (July 14, 2010); doi:10.1117/12.856644; http://dx.doi.org/10.1117/12.856644
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23147
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:07 Apr 2011 03:47
Last Modified:07 Nov 2016 20:36

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