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Proceedings Paper

Optical sky brightness at Dome A, Antarctica, from the Nigel experiment
Author(s): Geoff Sims; Michael C. B. Ashley; Xiangqun Cui; Jon R. Everett; LongLong Feng; Xuefei Gong; Shane Hengst; Zhongwen Hu; Jon S. Lawrence; Daniel M. Luong-Van; Zhaohui Shang; John W. V. Storey; Lifan Wang; Huigen Yang; Ji Yang; Xu Zhou; Zhengxi Zhu
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Paper Abstract

Nigel is a fiber-fed UV/visible grating spectrograph with a thermoelectrically-cooled 256×1024 pixel CCD camera, designed to measure the twilight and night sky brightness from 300nm to 850 nm. Nigel has three pairs of fibers, each with a field-of-view with an angular diameter of 25 degrees, pointing in three fixed positions towards the sky. The bare fibers are exposed to the sky with no additional optics. The instrument was deployed at Dome A, Antarctica in January 2009 as part of the PLATO (PLATeau Observatory) robotic observatory. During the 2009 winter, Nigel made approximately six months of continuous observations of the sky, with typically 104 deadtime between exposures. The resulting spectra provide quantitative information on the sky brightness, the auroral contribution, and the water vapour content of the atmosphere. We present details of the design, construction and calibration of the Nigel spectrometer, as well some sample spectra from a preliminary analysis.

Paper Details

Date Published: 6 August 2010
PDF: 9 pages
Proc. SPIE 7733, Ground-based and Airborne Telescopes III, 77334M (6 August 2010); doi: 10.1117/12.857795
Show Author Affiliations
Geoff Sims, Univ. of New South Wales (Australia)
Michael C. B. Ashley, Univ. of New South Wales (Australia)
Xiangqun Cui, Nanjing Institute of Astronomical Optics & Technology (China)
Jon R. Everett, Univ. of New South Wales (Australia)
LongLong Feng, Purple Mountain Observatory (China)
Chinese Ctr. for Antarctic Astronomy (China)
Xuefei Gong, Nanjing Institute of Astronomical Optics & Technology (China)
Chinese Ctr. for Antarctic Astronomy (China)
Shane Hengst, Univ. of New South Wales (Australia)
Zhongwen Hu, Nanjing Institute of Astronomical Optics & Technology (China)
Chinese Ctr. for Antarctic Astronomy (China)
Jon S. Lawrence, Macquarie Univ. (Australia)
Australian Astronomical Observatory (Australia)
Daniel M. Luong-Van, Univ. of New South Wales (Australia)
Zhaohui Shang, Chinese Ctr. for Antarctic Astronomy (China)
Tianjin Normal Univ. (China)
John W. V. Storey, Univ. of New South Wales (Australia)
Lifan Wang, Purple Mountain Observatory (China)
Texas A&M Univ. (United States)
Chinese Ctr. for Antarctic Astronomy (China)
Huigen Yang, Chinese Ctr. for Antarctic Astronomy (China)
Polar Research Institute of China (China)
Ji Yang, Purple Mountain Observatory (China)
Xu Zhou, Chinese Ctr. for Antarctic Astronomy (China)
National Astronomical Observatories (China)
Zhengxi Zhu, Purple Mountain Observatory (China)
Chinese Ctr. for Antarctic Astronomy (China)


Published in SPIE Proceedings Vol. 7733:
Ground-based and Airborne Telescopes III
Larry M. Stepp; Roberto Gilmozzi; Helen J. Hall, Editor(s)

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