Published July 14, 2010
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The Cosmic Web Imager: An integral field spectrograph for the Hale Telescope at Palomar Observatory: Instrument design and first results
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.
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.Attached Files
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Additional details
- Eprint ID
- 23147
- Resolver ID
- CaltechAUTHORS:20110329-084157258
- AST-0505381
- NSF
- Created
-
2011-04-07Created from EPrint's datestamp field
- Updated
-
2021-11-09Created from EPrint's last_modified field
- Caltech groups
- Space Astrophysics Laboratory
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 7735