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Lunar exosphere influence on lunar-based near-ultraviolet astronomical observations
Wang, J.; Deng, J. S.; Cui, J.; Cao, L.; Qiu, Y. L.; Wei, J. Y.
2011-12-15
Source PublicationADVANCES IN SPACE RESEARCH
Volume48Issue:12Pages:1927-1934
AbstractThe potential effect of the lunar exosphere on the near-ultraviolet sky background emission is predicted for Lunar-based Ultraviolet Telescope (LUT: a funded Chinese scientific payload for the Chang'e-III mission). Using the upper limit on the OH concentration inferred from the recent MIP CHACE results, our calculations show that the sky brightness due to the illuminated exosphere is <8.7 photons(-1) cm(-2) arcsec(-2) within the wavelength range 245-340 nm. By evaluating the signal-to-noise ratios of observations of an AB = 13 mag point source at a series of sky background levels, our analysis indicates that the detection performance of LUT can be moderately degraded by the lunar exosphere emission in most cases. An AB = 13 mag point source can still be detected by the telescope at a signal-to-noise ratio more than 8 when the OH concentration is less than 2 x 10(8) molecules cm(-3). However, the effect on the performance is considerable when the exosphere is as dense as suggested by CHACE. (C) 2011 COSPAR. Published by Elsevier Ltd. All rights reserved.
KeywordLunar Exosphere Sky Background Rayleigh Scattering Resonance Fluorescence Emissive Photodissociation Lunar-based Ultraviolet Telescope
DOI10.1016/j.asr.2011.08.001
Indexed BySCI
Language英语
WOS IDWOS:000296998300001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/7841
Collection空间科学研究部
AffiliationChinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Wang, J.,Deng, J. S.,Cui, J.,et al. Lunar exosphere influence on lunar-based near-ultraviolet astronomical observations[J]. ADVANCES IN SPACE RESEARCH,2011,48(12):1927-1934.
APA Wang, J.,Deng, J. S.,Cui, J.,Cao, L.,Qiu, Y. L.,&Wei, J. Y..(2011).Lunar exosphere influence on lunar-based near-ultraviolet astronomical observations.ADVANCES IN SPACE RESEARCH,48(12),1927-1934.
MLA Wang, J.,et al."Lunar exosphere influence on lunar-based near-ultraviolet astronomical observations".ADVANCES IN SPACE RESEARCH 48.12(2011):1927-1934.
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