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Two-telescope-based solar seeing profile measurement simulation
Wang ZY(王子跃); Ren DQ(任德清)
2021-12
Source PublicationResearch in A stronomy and A strophysics
Volume21Issue:12Pages:11-20
Abstract

 

Measurements of the daytime seeing profile of the atmospheric turbulence are crucial for evaluating a solar astronomical site so that research on the profile of the atmospheric turbulence as a function of altitude C2n(hn) becomes more and more critical for performance estimation and optimization of future adaptive optics(AO) including the multi-conjugate adaptive optics(MCAO) systems. Recently,the S-DIMM+ method has been successfully used to measure daytime turbulence profiles above the New Solar Telescope(NST) on Big Bear Lake. However, such techniques are limited by the requirement of using a large solar telescope which is not realistic for a new potential astronomical site. Meanwhile, the AMASP(advanced multiple-aperture seeing profiler) method is more portable and has been proved that can reliably retrieve the seeing profile up to 16 km with the Dunn Solar Telescope(DST) on the National Solar Observatory(Townson, Kellerer et al.). But the turbulence of the ground layer is calculated by combining A-MASP and S-DIMM+(Solar Differential Image Motion Monitor+) due to the limitation of the twoindividual-telescopes structure. To solve these problems, we introduce the two-telescope seeing profiler(TTSP) which consists of two portable individual telescopes. Numerical simulations have been conducted to evaluate the performance of TTSP. We find our TTSP can effectively retrieve seeing profiles of four turbulence layers with a relative error of less than 4% and is dependable for actual seeing measurement. 

Keywordturbulence atmospheric effects sun: granulation
Subject Area天文技术与方法
Document Type期刊论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/1943
Collection中国科学院南京天文光学技术研究所_期刊论文
中科院天文光学技术重点实验室_期刊论文
Affiliation南京天文光学技术研究所
Recommended Citation
GB/T 7714
Wang ZY,Ren DQ. Two-telescope-based solar seeing profile measurement simulation[J]. Research in A stronomy and A strophysics,2021,21(12):11-20.
APA Wang ZY,&Ren DQ.(2021).Two-telescope-based solar seeing profile measurement simulation.Research in A stronomy and A strophysics,21(12),11-20.
MLA Wang ZY,et al."Two-telescope-based solar seeing profile measurement simulation".Research in A stronomy and A strophysics 21.12(2021):11-20.
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