Airglow and aurorae from dome a, antarctica

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, Anna M. Moore, Reed Riddle, Zhaohui Shang, John W V Storey, Nick Tothill, Tony Travouillon, Lifan Wang, Huigen Yang, Ji Yang, Xu Zhou & 1 others Zhenxi Zhu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

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Abstract

Despite the absence of artificial light pollution at Antarctic plateau sites such as Dome A, other factors such as airglow, aurorae and extended periods of twilight have the potential to adversely affect optical observations. We present a statistical analysis of the airglow and aurorae at Dome A using spectroscopic data from Nigel, an optical/near-IR spectrometer operating in the 300-850 nm range. The median auroral contribution to the B, V and R photometric bands is found to be 22.9, 23.4 and 23.0 mag arcsec-2 respectively. We are also able to quantify the amount of annual dark time available as a function of wavelength; on average twilight ends when the Sun reaches a zenith distance of 102.6°.

Original languageEnglish
Title of host publicationAstrophysics from Antarctica
EditorsM. G. Burton, X. Cui, N. F. H. Tothill
Place of PublicationCambridge
PublisherCambridge University Press
Pages302-303
Number of pages2
Volume8
EditionS288
ISBN (Print)9781107033771
DOIs
Publication statusPublished - Aug 2012

Publication series

NameProceedings of the International Astronomical Union
NumberS288
Volume8
ISSN (Print)17439213
ISSN (Electronic)17439221

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