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The Gattini South Pole UV Experiment

Moore, Anna M. and Ahmed, Sara and Ashley, Michael C. B. and Croner, Ernest and Delacroix, Alex and Ebihara, Yusuke and Fucik, Jason and Martin, D. Christopher and Velur, Viswa and Weatherwax, Allan (2012) The Gattini South Pole UV Experiment. In: Ground-based and Airborne Telescopes IV. Proceedings of SPIE. No.8444. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 84441Q. ISBN 978-0-8194-9145-9. http://resolver.caltech.edu/CaltechAUTHORS:20130125-103057334

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Abstract

The Gattini South Pole UV experiment (Gattini SPUV) was deployed to the South Pole dark sector in February 2010 and has recently completed a highly successful first season of winter time observations. The experiment has, for the first time ever, measured and categorized the optical night sky brightness at the very blue wavelengths. The experiment consists of a remotely operated 6” aperture custom designed telescope. The telescope feeds a blue sensitive imager with 4 degree field of view that contains a bank of 3 filters: SDSS g’, Bessel U and a custom “super U” filter specifically designed to probe the sky emission at wavelengths approaching the atmospheric cut-off. The filters are continually cycled with exposure times ranging from 30 to 300 seconds throughout the winter period. The telescope, in addition, feeds a 2 degree long slit VPH grating spectrograph with R~1000. The bandwidth is 350-450nm. The spectra are recorded simultaneously with the imager exposures. The experiment is designed for low temperature Antarctic operation and resides on the roof of the MAPO building in the South Pole Antarctic sector. The primary science goals are to categorize the Antarctic winter-time sky background at the very bluest of wavelengths as a pathfinder for the Antarctic Cosmic Web Imager. We present a technical overview of the experiment and results from the first winter season.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1117/12.927313DOIUNSPECIFIED
http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1361212PublisherUNSPECIFIED
Additional Information:© 2012 SPIE. This research is financially supported by the US National Science Foundation, the United States Antarctic Program and Caltech Optical Observatories.
Group:Space Astrophysics Laboratory
Funders:
Funding AgencyGrant Number
NSFUNSPECIFIED
United States Antarctic ProgramUNSPECIFIED
Caltech Optical ObservatoriesUNSPECIFIED
Subject Keywords:Gattini, South Pole, Antarctic wide field surveys, cosmic web, site testing, cloud cover, aurora, night sky brightness, UV astronomy
Record Number:CaltechAUTHORS:20130125-103057334
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20130125-103057334
Official Citation:The Gattini South Pole UV experiment Anna M. Moore, Sara Ahmed, Michael C. B. Ashley, Ernest Croner, Alex Delacroix, Yusuke Ebihara, Jason Fucik, D. Christopher Martin, Viswa Velur, Allan Weatherwax Proc. SPIE 8444, Ground-based and Airborne Telescopes IV, 84441Q (September 17, 2012); doi: 10.1117/12.927313
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36590
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:25 Jan 2013 19:31
Last Modified:28 Aug 2016 20:24

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